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Theorem dvnprodlem2 46957
Description: Induction step for dvnprodlem2 46957. (Contributed by Glauco Siliprandi, 5-Apr-2020.)
Hypotheses
Ref Expression
dvnprodlem2.s (𝜑 → 𝑆 ∈ {ℝ, ℂ})
dvnprodlem2.x (𝜑 → 𝑋 ∈ ((TopOpen‘ℂfld) ↾t 𝑆))
dvnprodlem2.t (𝜑 → 𝑇 ∈ Fin)
dvnprodlem2.h ((𝜑 ∧ 𝑡 ∈ 𝑇) → (𝐻‘𝑡):𝑋⟶ℂ)
dvnprodlem2.n (𝜑 → 𝑁 ∈ ℕ0)
dvnprodlem2.dvnh ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗):𝑋⟶ℂ)
dvnprodlem2.c 𝐶 = (𝑠 ∈ 𝒫 𝑇 ↦ (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m 𝑠) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛}))
dvnprodlem2.r (𝜑 → 𝑅 ⊆ 𝑇)
dvnprodlem2.z (𝜑 → 𝑍 ∈ (𝑇 ∖ 𝑅))
dvnprodlem2.ind (𝜑 → ∀𝑘 ∈ (0...𝑁)((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
dvnprodlem2.j (𝜑 → 𝐽 ∈ (0...𝑁))
dvnprodlem2.d 𝐷 = (𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽) ↦ ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩)
Assertion
Ref Expression
dvnprodlem2 (𝜑 → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ (𝑅 ∪ {𝑍})((𝐻‘𝑡)‘𝑥)))‘𝐽) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)(((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
Distinct variable groups:   𝐶,𝑐,𝑘,𝑡   𝐷,𝑐,𝑡   𝐻,𝑐,𝑗,𝑘,𝑡   𝑥,𝐻,𝑐,𝑘,𝑡   𝐽,𝑐,𝑗,𝑘,𝑡   𝑛,𝐽,𝑠,𝑐,𝑘,𝑡   𝑥,𝐽   𝑗,𝑁,𝑡   𝑅,𝑐,𝑘,𝑛,𝑠,𝑡   𝑥,𝑅   𝑆,𝑐,𝑗,𝑘,𝑡   𝑥,𝑆   𝑇,𝑗,𝑡   𝑇,𝑠   𝑋,𝑐,𝑗,𝑘,𝑡   𝑥,𝑋   𝑍,𝑐,𝑗,𝑘,𝑡   𝑛,𝑍,𝑠   𝑥,𝑍   𝜑,𝑐,𝑗,𝑘,𝑡   𝜑,𝑛,𝑠   𝜑,𝑥
Allowed substitution hints:   𝐶(𝑥, 𝑗, 𝑛, 𝑠)   𝐷(𝑥, 𝑗, 𝑘, 𝑛, 𝑠)   𝑅(𝑗)   𝑆(𝑛, 𝑠)   𝑇(𝑥, 𝑘, 𝑛, 𝑐)   𝐻(𝑛, 𝑠)   𝑁(𝑥, 𝑘, 𝑛, 𝑠, 𝑐)   𝑋(𝑛, 𝑠)

Proof of Theorem dvnprodlem2
Dummy variables 𝑝 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 nfv 1946 . . . . . 6 Ⅎ𝑡(𝜑 ∧ 𝑥 ∈ 𝑋)
2 nfcv 2922 . . . . . 6 Ⅎ𝑡((𝐻‘𝑍)‘𝑥)
3 dvnprodlem2.t . . . . . . . 8 (𝜑 → 𝑇 ∈ Fin)
4 dvnprodlem2.r . . . . . . . 8 (𝜑 → 𝑅 ⊆ 𝑇)
5 ssfi 9188 . . . . . . . 8 ((𝑇 ∈ Fin ∧ 𝑅 ⊆ 𝑇) → 𝑅 ∈ Fin)
63, 4, 5syl2anc 596 . . . . . . 7 (𝜑 → 𝑅 ∈ Fin)
76adantr 486 . . . . . 6 ((𝜑 ∧ 𝑥 ∈ 𝑋) → 𝑅 ∈ Fin)
8 dvnprodlem2.z . . . . . . 7 (𝜑 → 𝑍 ∈ (𝑇 ∖ 𝑅))
98adantr 486 . . . . . 6 ((𝜑 ∧ 𝑥 ∈ 𝑋) → 𝑍 ∈ (𝑇 ∖ 𝑅))
108eldifbd 4052 . . . . . . 7 (𝜑 → ¬ 𝑍 ∈ 𝑅)
1110adantr 486 . . . . . 6 ((𝜑 ∧ 𝑥 ∈ 𝑋) → ¬ 𝑍 ∈ 𝑅)
12 simpl 488 . . . . . . . . 9 ((𝜑 ∧ 𝑡 ∈ 𝑅) → 𝜑)
134sselda 3908 . . . . . . . . 9 ((𝜑 ∧ 𝑡 ∈ 𝑅) → 𝑡 ∈ 𝑇)
14 dvnprodlem2.h . . . . . . . . 9 ((𝜑 ∧ 𝑡 ∈ 𝑇) → (𝐻‘𝑡):𝑋⟶ℂ)
1512, 13, 14syl2anc 596 . . . . . . . 8 ((𝜑 ∧ 𝑡 ∈ 𝑅) → (𝐻‘𝑡):𝑋⟶ℂ)
1615adantlr 728 . . . . . . 7 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑡 ∈ 𝑅) → (𝐻‘𝑡):𝑋⟶ℂ)
17 simplr 781 . . . . . . 7 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑡 ∈ 𝑅) → 𝑥 ∈ 𝑋)
1816, 17ffvelcdmd 7085 . . . . . 6 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑡 ∈ 𝑅) → ((𝐻‘𝑡)‘𝑥) ∈ ℂ)
19 fveq2 6885 . . . . . . 7 (𝑡 = 𝑍 → (𝐻‘𝑡) = (𝐻‘𝑍))
2019fveq1d 6887 . . . . . 6 (𝑡 = 𝑍 → ((𝐻‘𝑡)‘𝑥) = ((𝐻‘𝑍)‘𝑥))
21 id 23 . . . . . . . . 9 (𝜑 → 𝜑)
22 eldifi 4067 . . . . . . . . . 10 (𝑍 ∈ (𝑇 ∖ 𝑅) → 𝑍 ∈ 𝑇)
238, 22syl 18 . . . . . . . . 9 (𝜑 → 𝑍 ∈ 𝑇)
24 simpr 490 . . . . . . . . . 10 ((𝜑 ∧ 𝑍 ∈ 𝑇) → 𝑍 ∈ 𝑇)
25 id 23 . . . . . . . . . 10 ((𝜑 ∧ 𝑍 ∈ 𝑇) → (𝜑 ∧ 𝑍 ∈ 𝑇))
26 eleq1 2848 . . . . . . . . . . . . 13 (𝑡 = 𝑍 → (𝑡 ∈ 𝑇 ↔ 𝑍 ∈ 𝑇))
2726anbi2d 642 . . . . . . . . . . . 12 (𝑡 = 𝑍 → ((𝜑 ∧ 𝑡 ∈ 𝑇) ↔ (𝜑 ∧ 𝑍 ∈ 𝑇)))
2819feq1d 6691 . . . . . . . . . . . 12 (𝑡 = 𝑍 → ((𝐻‘𝑡):𝑋⟶ℂ ↔ (𝐻‘𝑍):𝑋⟶ℂ))
2927, 28imbi12d 347 . . . . . . . . . . 11 (𝑡 = 𝑍 → (((𝜑 ∧ 𝑡 ∈ 𝑇) → (𝐻‘𝑡):𝑋⟶ℂ) ↔ ((𝜑 ∧ 𝑍 ∈ 𝑇) → (𝐻‘𝑍):𝑋⟶ℂ)))
3029, 14vtoclg 3517 . . . . . . . . . 10 (𝑍 ∈ 𝑇 → ((𝜑 ∧ 𝑍 ∈ 𝑇) → (𝐻‘𝑍):𝑋⟶ℂ))
3124, 25, 30sylc 66 . . . . . . . . 9 ((𝜑 ∧ 𝑍 ∈ 𝑇) → (𝐻‘𝑍):𝑋⟶ℂ)
3221, 23, 31syl2anc 596 . . . . . . . 8 (𝜑 → (𝐻‘𝑍):𝑋⟶ℂ)
3332adantr 486 . . . . . . 7 ((𝜑 ∧ 𝑥 ∈ 𝑋) → (𝐻‘𝑍):𝑋⟶ℂ)
34 simpr 490 . . . . . . 7 ((𝜑 ∧ 𝑥 ∈ 𝑋) → 𝑥 ∈ 𝑋)
3533, 34ffvelcdmd 7085 . . . . . 6 ((𝜑 ∧ 𝑥 ∈ 𝑋) → ((𝐻‘𝑍)‘𝑥) ∈ ℂ)
361, 2, 7, 9, 11, 18, 20, 35fprodsplitsn 16156 . . . . 5 ((𝜑 ∧ 𝑥 ∈ 𝑋) → ∏𝑡 ∈ (𝑅 ∪ {𝑍})((𝐻‘𝑡)‘𝑥) = (∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥) · ((𝐻‘𝑍)‘𝑥)))
3736mpteq2dva 5197 . . . 4 (𝜑 → (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ (𝑅 ∪ {𝑍})((𝐻‘𝑡)‘𝑥)) = (𝑥 ∈ 𝑋 ↦ (∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥) · ((𝐻‘𝑍)‘𝑥))))
3837oveq2d 7436 . . 3 (𝜑 → (𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ (𝑅 ∪ {𝑍})((𝐻‘𝑡)‘𝑥))) = (𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ (∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥) · ((𝐻‘𝑍)‘𝑥)))))
3938fveq1d 6887 . 2 (𝜑 → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ (𝑅 ∪ {𝑍})((𝐻‘𝑡)‘𝑥)))‘𝐽) = ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ (∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥) · ((𝐻‘𝑍)‘𝑥))))‘𝐽))
40 dvnprodlem2.s . . 3 (𝜑 → 𝑆 ∈ {ℝ, ℂ})
41 dvnprodlem2.x . . 3 (𝜑 → 𝑋 ∈ ((TopOpen‘ℂfld) ↾t 𝑆))
421, 7, 18fprodclf 16159 . . 3 ((𝜑 ∧ 𝑥 ∈ 𝑋) → ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥) ∈ ℂ)
43 dvnprodlem2.j . . . 4 (𝜑 → 𝐽 ∈ (0...𝑁))
44 elfznn0 13754 . . . 4 (𝐽 ∈ (0...𝑁) → 𝐽 ∈ ℕ0)
4543, 44syl 18 . . 3 (𝜑 → 𝐽 ∈ ℕ0)
46 eqid 2760 . . 3 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)) = (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥))
47 eqid 2760 . . 3 (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥)) = (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥))
48 dvnprodlem2.c . . . . . . . . . 10 𝐶 = (𝑠 ∈ 𝒫 𝑇 ↦ (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m 𝑠) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛}))
49 oveq2 7428 . . . . . . . . . . . . 13 (𝑠 = 𝑅 → ((0...𝑛) ↑m 𝑠) = ((0...𝑛) ↑m 𝑅))
50 rabeq 3426 . . . . . . . . . . . . 13 (((0...𝑛) ↑m 𝑠) = ((0...𝑛) ↑m 𝑅) → {𝑐 ∈ ((0...𝑛) ↑m 𝑠) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛})
5149, 50syl 18 . . . . . . . . . . . 12 (𝑠 = 𝑅 → {𝑐 ∈ ((0...𝑛) ↑m 𝑠) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛})
52 sumeq1 15856 . . . . . . . . . . . . . 14 (𝑠 = 𝑅 → Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = Σ𝑡 ∈ 𝑅 (𝑐‘𝑡))
5352eqeq1d 2762 . . . . . . . . . . . . 13 (𝑠 = 𝑅 → (Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛 ↔ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛))
5453rabbidv 3419 . . . . . . . . . . . 12 (𝑠 = 𝑅 → {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛})
5551, 54eqtrd 2795 . . . . . . . . . . 11 (𝑠 = 𝑅 → {𝑐 ∈ ((0...𝑛) ↑m 𝑠) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛})
5655mpteq2dv 5198 . . . . . . . . . 10 (𝑠 = 𝑅 → (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m 𝑠) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛}) = (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛}))
57 ssexg 5280 . . . . . . . . . . . . . 14 ((𝑅 ⊆ 𝑇 ∧ 𝑇 ∈ Fin) → 𝑅 ∈ V)
584, 3, 57syl2anc 596 . . . . . . . . . . . . 13 (𝜑 → 𝑅 ∈ V)
59 elpwg 4559 . . . . . . . . . . . . 13 (𝑅 ∈ V → (𝑅 ∈ 𝒫 𝑇 ↔ 𝑅 ⊆ 𝑇))
6058, 59syl 18 . . . . . . . . . . . 12 (𝜑 → (𝑅 ∈ 𝒫 𝑇 ↔ 𝑅 ⊆ 𝑇))
614, 60mpbird 260 . . . . . . . . . . 11 (𝜑 → 𝑅 ∈ 𝒫 𝑇)
6261adantr 486 . . . . . . . . . 10 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝑅 ∈ 𝒫 𝑇)
63 nn0ex 12612 . . . . . . . . . . . 12 ℕ0 ∈ V
6463mptex 7229 . . . . . . . . . . 11 (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛}) ∈ V
6564a1i 11 . . . . . . . . . 10 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛}) ∈ V)
6648, 56, 62, 65fvmptd3 7017 . . . . . . . . 9 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (𝐶‘𝑅) = (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛}))
67 oveq2 7428 . . . . . . . . . . . . 13 (𝑛 = 𝑘 → (0...𝑛) = (0...𝑘))
6867oveq1d 7435 . . . . . . . . . . . 12 (𝑛 = 𝑘 → ((0...𝑛) ↑m 𝑅) = ((0...𝑘) ↑m 𝑅))
69 rabeq 3426 . . . . . . . . . . . 12 (((0...𝑛) ↑m 𝑅) = ((0...𝑘) ↑m 𝑅) → {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛})
7068, 69syl 18 . . . . . . . . . . 11 (𝑛 = 𝑘 → {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛})
71 eqeq2 2772 . . . . . . . . . . . 12 (𝑛 = 𝑘 → (Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛 ↔ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘))
7271rabbidv 3419 . . . . . . . . . . 11 (𝑛 = 𝑘 → {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘})
7370, 72eqtrd 2795 . . . . . . . . . 10 (𝑛 = 𝑘 → {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘})
7473adantl 487 . . . . . . . . 9 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑛 = 𝑘) → {𝑐 ∈ ((0...𝑛) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘})
75 elfznn0 13754 . . . . . . . . . 10 (𝑘 ∈ (0...𝐽) → 𝑘 ∈ ℕ0)
7675adantl 487 . . . . . . . . 9 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝑘 ∈ ℕ0)
77 fzfid 14116 . . . . . . . . . . . 12 (𝜑 → (0...𝑘) ∈ Fin)
78 mapfi 9337 . . . . . . . . . . . 12 (((0...𝑘) ∈ Fin ∧ 𝑅 ∈ Fin) → ((0...𝑘) ↑m 𝑅) ∈ Fin)
7977, 6, 78syl2anc 596 . . . . . . . . . . 11 (𝜑 → ((0...𝑘) ↑m 𝑅) ∈ Fin)
8079adantr 486 . . . . . . . . . 10 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((0...𝑘) ↑m 𝑅) ∈ Fin)
81 ssrab2 4005 . . . . . . . . . . 11 {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘} ⊆ ((0...𝑘) ↑m 𝑅)
8281a1i 11 . . . . . . . . . 10 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘} ⊆ ((0...𝑘) ↑m 𝑅))
8380, 82ssexd 5285 . . . . . . . . 9 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘} ∈ V)
8466, 74, 76, 83fvmptd 7001 . . . . . . . 8 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝐶‘𝑅)‘𝑘) = {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘})
85 ssfi 9188 . . . . . . . . . 10 ((((0...𝑘) ↑m 𝑅) ∈ Fin ∧ {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘} ⊆ ((0...𝑘) ↑m 𝑅)) → {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘} ∈ Fin)
8679, 81, 85sylancl 598 . . . . . . . . 9 (𝜑 → {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘} ∈ Fin)
8786adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘} ∈ Fin)
8884, 87eqeltrd 2860 . . . . . . 7 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝐶‘𝑅)‘𝑘) ∈ Fin)
8988adantr 486 . . . . . 6 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) → ((𝐶‘𝑅)‘𝑘) ∈ Fin)
9075faccld 14428 . . . . . . . . . . 11 (𝑘 ∈ (0...𝐽) → (!‘𝑘) ∈ ℕ)
9190nncnd 12351 . . . . . . . . . 10 (𝑘 ∈ (0...𝐽) → (!‘𝑘) ∈ ℂ)
9291ad2antlr 740 . . . . . . . . 9 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → (!‘𝑘) ∈ ℂ)
936adantr 486 . . . . . . . . . . 11 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → 𝑅 ∈ Fin)
9493adantlr 728 . . . . . . . . . 10 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → 𝑅 ∈ Fin)
95 elfznn0 13754 . . . . . . . . . . . . . . 15 (𝑧 ∈ (0...𝑘) → 𝑧 ∈ ℕ0)
9695ssriv 3912 . . . . . . . . . . . . . 14 (0...𝑘) ⊆ ℕ0
9796a1i 11 . . . . . . . . . . . . 13 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → (0...𝑘) ⊆ ℕ0)
98 simpr 490 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → 𝑐 ∈ ((𝐶‘𝑅)‘𝑘))
9984eleq2d 2846 . . . . . . . . . . . . . . . . . . 19 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (𝑐 ∈ ((𝐶‘𝑅)‘𝑘) ↔ 𝑐 ∈ {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘}))
10099adantr 486 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → (𝑐 ∈ ((𝐶‘𝑅)‘𝑘) ↔ 𝑐 ∈ {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘}))
10198, 100mpbid 235 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → 𝑐 ∈ {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘})
10281sseli 3904 . . . . . . . . . . . . . . . . 17 (𝑐 ∈ {𝑐 ∈ ((0...𝑘) ↑m 𝑅) ∣ Σ𝑡 ∈ 𝑅 (𝑐‘𝑡) = 𝑘} → 𝑐 ∈ ((0...𝑘) ↑m 𝑅))
103101, 102syl 18 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → 𝑐 ∈ ((0...𝑘) ↑m 𝑅))
104 elmapi 8869 . . . . . . . . . . . . . . . 16 (𝑐 ∈ ((0...𝑘) ↑m 𝑅) → 𝑐:𝑅⟶(0...𝑘))
105103, 104syl 18 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → 𝑐:𝑅⟶(0...𝑘))
106105adantr 486 . . . . . . . . . . . . . 14 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → 𝑐:𝑅⟶(0...𝑘))
107 simpr 490 . . . . . . . . . . . . . 14 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → 𝑡 ∈ 𝑅)
108106, 107ffvelcdmd 7085 . . . . . . . . . . . . 13 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → (𝑐‘𝑡) ∈ (0...𝑘))
10997, 108sseldd 3909 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → (𝑐‘𝑡) ∈ ℕ0)
110109faccld 14428 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → (!‘(𝑐‘𝑡)) ∈ ℕ)
111110nncnd 12351 . . . . . . . . . 10 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → (!‘(𝑐‘𝑡)) ∈ ℂ)
11294, 111fprodcl 16119 . . . . . . . . 9 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) ∈ ℂ)
113110nnne0d 12388 . . . . . . . . . 10 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → (!‘(𝑐‘𝑡)) ≠ 0)
11494, 111, 113fprodn0 16146 . . . . . . . . 9 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) ≠ 0)
11592, 112, 114divcld 12093 . . . . . . . 8 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → ((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) ∈ ℂ)
116115adantlr 728 . . . . . . 7 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → ((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) ∈ ℂ)
11794adantlr 728 . . . . . . . 8 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → 𝑅 ∈ Fin)
11821ad4antr 745 . . . . . . . . . 10 (((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → 𝜑)
119118, 13sylancom 600 . . . . . . . . . 10 (((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → 𝑡 ∈ 𝑇)
120 elfzuz3 13653 . . . . . . . . . . . . . . . 16 (𝑘 ∈ (0...𝐽) → 𝐽 ∈ (ℤ≥‘𝑘))
121 fzss2 13698 . . . . . . . . . . . . . . . 16 (𝐽 ∈ (ℤ≥‘𝑘) → (0...𝑘) ⊆ (0...𝐽))
122120, 121syl 18 . . . . . . . . . . . . . . 15 (𝑘 ∈ (0...𝐽) → (0...𝑘) ⊆ (0...𝐽))
123122adantl 487 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (0...𝑘) ⊆ (0...𝐽))
12445nn0zd 12718 . . . . . . . . . . . . . . . . . 18 (𝜑 → 𝐽 ∈ ℤ)
125 dvnprodlem2.n . . . . . . . . . . . . . . . . . . 19 (𝜑 → 𝑁 ∈ ℕ0)
126125nn0zd 12718 . . . . . . . . . . . . . . . . . 18 (𝜑 → 𝑁 ∈ ℤ)
127 elfzle2 13661 . . . . . . . . . . . . . . . . . . 19 (𝐽 ∈ (0...𝑁) → 𝐽 ≤ 𝑁)
12843, 127syl 18 . . . . . . . . . . . . . . . . . 18 (𝜑 → 𝐽 ≤ 𝑁)
129124, 126, 1283jca 1146 . . . . . . . . . . . . . . . . 17 (𝜑 → (𝐽 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝐽 ≤ 𝑁))
130 eluz2 12971 . . . . . . . . . . . . . . . . 17 (𝑁 ∈ (ℤ≥‘𝐽) ↔ (𝐽 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝐽 ≤ 𝑁))
131129, 130sylibr 237 . . . . . . . . . . . . . . . 16 (𝜑 → 𝑁 ∈ (ℤ≥‘𝐽))
132 fzss2 13698 . . . . . . . . . . . . . . . 16 (𝑁 ∈ (ℤ≥‘𝐽) → (0...𝐽) ⊆ (0...𝑁))
133131, 132syl 18 . . . . . . . . . . . . . . 15 (𝜑 → (0...𝐽) ⊆ (0...𝑁))
134133adantr 486 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (0...𝐽) ⊆ (0...𝑁))
135123, 134sstrd 3918 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (0...𝑘) ⊆ (0...𝑁))
136135ad2antrr 739 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → (0...𝑘) ⊆ (0...𝑁))
137136, 108sseldd 3909 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → (𝑐‘𝑡) ∈ (0...𝑁))
138137adantllr 732 . . . . . . . . . 10 (((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → (𝑐‘𝑡) ∈ (0...𝑁))
139 fvex 6898 . . . . . . . . . . 11 (𝑐‘𝑡) ∈ V
140 eleq1 2848 . . . . . . . . . . . . 13 (𝑗 = (𝑐‘𝑡) → (𝑗 ∈ (0...𝑁) ↔ (𝑐‘𝑡) ∈ (0...𝑁)))
1411403anbi3d 1470 . . . . . . . . . . . 12 (𝑗 = (𝑐‘𝑡) → ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) ↔ (𝜑 ∧ 𝑡 ∈ 𝑇 ∧ (𝑐‘𝑡) ∈ (0...𝑁))))
142 fveq2 6885 . . . . . . . . . . . . 13 (𝑗 = (𝑐‘𝑡) → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗) = ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)))
143142feq1d 6691 . . . . . . . . . . . 12 (𝑗 = (𝑐‘𝑡) → (((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗):𝑋⟶ℂ ↔ ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)):𝑋⟶ℂ))
144141, 143imbi12d 347 . . . . . . . . . . 11 (𝑗 = (𝑐‘𝑡) → (((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗):𝑋⟶ℂ) ↔ ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ (𝑐‘𝑡) ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)):𝑋⟶ℂ)))
145 dvnprodlem2.dvnh . . . . . . . . . . 11 ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗):𝑋⟶ℂ)
146139, 144, 145vtocl 3520 . . . . . . . . . 10 ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ (𝑐‘𝑡) ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)):𝑋⟶ℂ)
147118, 119, 138, 146syl3anc 1398 . . . . . . . . 9 (((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)):𝑋⟶ℂ)
148 simpllr 788 . . . . . . . . 9 (((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → 𝑥 ∈ 𝑋)
149147, 148ffvelcdmd 7085 . . . . . . . 8 (((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ∧ 𝑡 ∈ 𝑅) → (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) ∈ ℂ)
150117, 149fprodcl 16119 . . . . . . 7 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) ∈ ℂ)
151116, 150mulcld 11329 . . . . . 6 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → (((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) ∈ ℂ)
15289, 151fsumcl 15899 . . . . 5 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) → Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) ∈ ℂ)
153152fmpttd 7115 . . . 4 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))):𝑋⟶ℂ)
154 dvnprodlem2.ind . . . . . . 7 (𝜑 → ∀𝑘 ∈ (0...𝑁)((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
155154adantr 486 . . . . . 6 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ∀𝑘 ∈ (0...𝑁)((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
156 0zd 12705 . . . . . . 7 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 0 ∈ ℤ)
157126adantr 486 . . . . . . 7 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝑁 ∈ ℤ)
158 elfzelz 13656 . . . . . . . 8 (𝑘 ∈ (0...𝐽) → 𝑘 ∈ ℤ)
159158adantl 487 . . . . . . 7 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝑘 ∈ ℤ)
160 elfzle1 13660 . . . . . . . 8 (𝑘 ∈ (0...𝐽) → 0 ≤ 𝑘)
161160adantl 487 . . . . . . 7 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 0 ≤ 𝑘)
162159zred 12803 . . . . . . . 8 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝑘 ∈ ℝ)
16345nn0red 12668 . . . . . . . . 9 (𝜑 → 𝐽 ∈ ℝ)
164163adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝐽 ∈ ℝ)
165157zred 12803 . . . . . . . 8 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝑁 ∈ ℝ)
166 elfzle2 13661 . . . . . . . . 9 (𝑘 ∈ (0...𝐽) → 𝑘 ≤ 𝐽)
167166adantl 487 . . . . . . . 8 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝑘 ≤ 𝐽)
168128adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝐽 ≤ 𝑁)
169162, 164, 165, 167, 168letrd 11467 . . . . . . 7 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝑘 ≤ 𝑁)
170156, 157, 159, 161, 169elfzd 13647 . . . . . 6 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝑘 ∈ (0...𝑁))
171 rspa 3251 . . . . . 6 ((∀𝑘 ∈ (0...𝑁)((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))) ∧ 𝑘 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
172155, 170, 171syl2anc 596 . . . . 5 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
173172feq1d 6691 . . . 4 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘):𝑋⟶ℂ ↔ (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))):𝑋⟶ℂ))
174153, 173mpbird 260 . . 3 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘):𝑋⟶ℂ)
17523adantr 486 . . . . 5 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝑍 ∈ 𝑇)
176 simpl 488 . . . . . 6 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝜑)
177176, 175, 1703jca 1146 . . . . 5 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑘 ∈ (0...𝑁)))
178263anbi2d 1469 . . . . . . 7 (𝑡 = 𝑍 → ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑘 ∈ (0...𝑁)) ↔ (𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑘 ∈ (0...𝑁))))
17919oveq2d 7436 . . . . . . . . 9 (𝑡 = 𝑍 → (𝑆 D𝑛 (𝐻‘𝑡)) = (𝑆 D𝑛 (𝐻‘𝑍)))
180179fveq1d 6887 . . . . . . . 8 (𝑡 = 𝑍 → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑘) = ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑘))
181180feq1d 6691 . . . . . . 7 (𝑡 = 𝑍 → (((𝑆 D𝑛 (𝐻‘𝑡))‘𝑘):𝑋⟶ℂ ↔ ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑘):𝑋⟶ℂ))
182178, 181imbi12d 347 . . . . . 6 (𝑡 = 𝑍 → (((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑘 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑘):𝑋⟶ℂ) ↔ ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑘 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑘):𝑋⟶ℂ)))
183 eleq1 2848 . . . . . . . . 9 (𝑗 = 𝑘 → (𝑗 ∈ (0...𝑁) ↔ 𝑘 ∈ (0...𝑁)))
1841833anbi3d 1470 . . . . . . . 8 (𝑗 = 𝑘 → ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) ↔ (𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑘 ∈ (0...𝑁))))
185 fveq2 6885 . . . . . . . . 9 (𝑗 = 𝑘 → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗) = ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑘))
186185feq1d 6691 . . . . . . . 8 (𝑗 = 𝑘 → (((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗):𝑋⟶ℂ ↔ ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑘):𝑋⟶ℂ))
187184, 186imbi12d 347 . . . . . . 7 (𝑗 = 𝑘 → (((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗):𝑋⟶ℂ) ↔ ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑘 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑘):𝑋⟶ℂ)))
188187, 145chvarvv 2021 . . . . . 6 ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑘 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑘):𝑋⟶ℂ)
189182, 188vtoclg 3517 . . . . 5 (𝑍 ∈ 𝑇 → ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑘 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑘):𝑋⟶ℂ))
190175, 177, 189sylc 66 . . . 4 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑘):𝑋⟶ℂ)
19132feqmptd 6953 . . . . . . . . 9 (𝜑 → (𝐻‘𝑍) = (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥)))
192191eqcomd 2766 . . . . . . . 8 (𝜑 → (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥)) = (𝐻‘𝑍))
193192oveq2d 7436 . . . . . . 7 (𝜑 → (𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥))) = (𝑆 D𝑛 (𝐻‘𝑍)))
194193fveq1d 6887 . . . . . 6 (𝜑 → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥)))‘𝑘) = ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑘))
195194adantr 486 . . . . 5 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥)))‘𝑘) = ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑘))
196195feq1d 6691 . . . 4 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥)))‘𝑘):𝑋⟶ℂ ↔ ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑘):𝑋⟶ℂ))
197190, 196mpbird 260 . . 3 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥)))‘𝑘):𝑋⟶ℂ)
198 fveq2 6885 . . . . . . . 8 (𝑦 = 𝑥 → ((𝐻‘𝑡)‘𝑦) = ((𝐻‘𝑡)‘𝑥))
199198prodeq2ad 46604 . . . . . . 7 (𝑦 = 𝑥 → ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦) = ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥))
200199cbvmptv 5208 . . . . . 6 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)) = (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥))
201200oveq2i 7431 . . . . 5 (𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦))) = (𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))
202201fveq1i 6886 . . . 4 ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘) = ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘)
203202mpteq2i 5200 . . 3 (𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘)) = (𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘))
204 fveq2 6885 . . . . . . 7 (𝑦 = 𝑥 → ((𝐻‘𝑍)‘𝑦) = ((𝐻‘𝑍)‘𝑥))
205204cbvmptv 5208 . . . . . 6 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)) = (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥))
206205oveq2i 7431 . . . . 5 (𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦))) = (𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥)))
207206fveq1i 6886 . . . 4 ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘) = ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥)))‘𝑘)
208207mpteq2i 5200 . . 3 (𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘)) = (𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑥)))‘𝑘))
20940, 41, 42, 35, 45, 46, 47, 174, 197, 203, 208dvnmul 46953 . 2 (𝜑 → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ (∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥) · ((𝐻‘𝑍)‘𝑥))))‘𝐽) = (𝑥 ∈ 𝑋 ↦ Σ𝑘 ∈ (0...𝐽)((𝐽C𝑘) · ((((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘))‘𝑘)‘𝑥) · (((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘))‘(𝐽 − 𝑘))‘𝑥)))))
210202a1i 11 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘) = ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘))
211154r19.21bi 3254 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑘 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
212176, 170, 211syl2anc 596 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑥)))‘𝑘) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
213210, 212eqtrd 2795 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
214213mpteq2dva 5197 . . . . . . . . . . . 12 (𝜑 → (𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘)) = (𝑘 ∈ (0...𝐽) ↦ (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))))
215 mptexg 7227 . . . . . . . . . . . . . 14 (𝑋 ∈ ((TopOpen‘ℂfld) ↾t 𝑆) → (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))) ∈ V)
21641, 215syl 18 . . . . . . . . . . . . 13 (𝜑 → (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))) ∈ V)
217216adantr 486 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))) ∈ V)
218214, 217fvmpt2d 7007 . . . . . . . . . . 11 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘))‘𝑘) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
219218adantlr 728 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → ((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘))‘𝑘) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
220219fveq1d 6887 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → (((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘))‘𝑘)‘𝑥) = ((𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))‘𝑥))
22134adantr 486 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → 𝑥 ∈ 𝑋)
222152an32s 665 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) ∈ ℂ)
223 eqid 2760 . . . . . . . . . . 11 (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
224223fvmpt2 7005 . . . . . . . . . 10 ((𝑥 ∈ 𝑋 ∧ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) ∈ ℂ) → ((𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))‘𝑥) = Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
225221, 222, 224syl2anc 596 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → ((𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))‘𝑥) = Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
226220, 225eqtrd 2795 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → (((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘))‘𝑘)‘𝑥) = Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
227 fveq2 6885 . . . . . . . . . . . . . . 15 (𝑘 = 𝑗 → ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘) = ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑗))
228227cbvmptv 5208 . . . . . . . . . . . . . 14 (𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘)) = (𝑗 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑗))
229228a1i 11 . . . . . . . . . . . . 13 (𝜑 → (𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘)) = (𝑗 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑗)))
230206, 193eqtrid 2807 . . . . . . . . . . . . . . 15 (𝜑 → (𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦))) = (𝑆 D𝑛 (𝐻‘𝑍)))
231230fveq1d 6887 . . . . . . . . . . . . . 14 (𝜑 → ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑗) = ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗))
232231mpteq2dv 5198 . . . . . . . . . . . . 13 (𝜑 → (𝑗 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑗)) = (𝑗 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗)))
233229, 232eqtrd 2795 . . . . . . . . . . . 12 (𝜑 → (𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘)) = (𝑗 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗)))
234233adantr 486 . . . . . . . . . . 11 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘)) = (𝑗 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗)))
235 fveq2 6885 . . . . . . . . . . . 12 (𝑗 = (𝐽 − 𝑘) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗) = ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)))
236235adantl 487 . . . . . . . . . . 11 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑗 = (𝐽 − 𝑘)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗) = ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)))
237 0zd 12705 . . . . . . . . . . . . . . 15 (𝑘 ∈ (0...𝐽) → 0 ∈ ℤ)
238 elfzel2 13654 . . . . . . . . . . . . . . 15 (𝑘 ∈ (0...𝐽) → 𝐽 ∈ ℤ)
239238, 158zsubcld 12808 . . . . . . . . . . . . . . 15 (𝑘 ∈ (0...𝐽) → (𝐽 − 𝑘) ∈ ℤ)
240237, 238, 2393jca 1146 . . . . . . . . . . . . . 14 (𝑘 ∈ (0...𝐽) → (0 ∈ ℤ ∧ 𝐽 ∈ ℤ ∧ (𝐽 − 𝑘) ∈ ℤ))
241238zred 12803 . . . . . . . . . . . . . . . 16 (𝑘 ∈ (0...𝐽) → 𝐽 ∈ ℝ)
24275nn0red 12668 . . . . . . . . . . . . . . . 16 (𝑘 ∈ (0...𝐽) → 𝑘 ∈ ℝ)
243241, 242subge0d 11906 . . . . . . . . . . . . . . 15 (𝑘 ∈ (0...𝐽) → (0 ≤ (𝐽 − 𝑘) ↔ 𝑘 ≤ 𝐽))
244166, 243mpbird 260 . . . . . . . . . . . . . 14 (𝑘 ∈ (0...𝐽) → 0 ≤ (𝐽 − 𝑘))
245241, 242subge02d 11908 . . . . . . . . . . . . . . 15 (𝑘 ∈ (0...𝐽) → (0 ≤ 𝑘 ↔ (𝐽 − 𝑘) ≤ 𝐽))
246160, 245mpbid 235 . . . . . . . . . . . . . 14 (𝑘 ∈ (0...𝐽) → (𝐽 − 𝑘) ≤ 𝐽)
247240, 244, 246jca32 525 . . . . . . . . . . . . 13 (𝑘 ∈ (0...𝐽) → ((0 ∈ ℤ ∧ 𝐽 ∈ ℤ ∧ (𝐽 − 𝑘) ∈ ℤ) ∧ (0 ≤ (𝐽 − 𝑘) ∧ (𝐽 − 𝑘) ≤ 𝐽)))
248247adantl 487 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((0 ∈ ℤ ∧ 𝐽 ∈ ℤ ∧ (𝐽 − 𝑘) ∈ ℤ) ∧ (0 ≤ (𝐽 − 𝑘) ∧ (𝐽 − 𝑘) ≤ 𝐽)))
249 elfz2 13646 . . . . . . . . . . . 12 ((𝐽 − 𝑘) ∈ (0...𝐽) ↔ ((0 ∈ ℤ ∧ 𝐽 ∈ ℤ ∧ (𝐽 − 𝑘) ∈ ℤ) ∧ (0 ≤ (𝐽 − 𝑘) ∧ (𝐽 − 𝑘) ≤ 𝐽)))
250248, 249sylibr 237 . . . . . . . . . . 11 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (𝐽 − 𝑘) ∈ (0...𝐽))
251 fvex 6898 . . . . . . . . . . . 12 ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)) ∈ V
252251a1i 11 . . . . . . . . . . 11 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)) ∈ V)
253234, 236, 250, 252fvmptd 7001 . . . . . . . . . 10 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘))‘(𝐽 − 𝑘)) = ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)))
254253adantlr 728 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → ((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘))‘(𝐽 − 𝑘)) = ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)))
255254fveq1d 6887 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → (((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘))‘(𝐽 − 𝑘))‘𝑥) = (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))
256226, 255oveq12d 7438 . . . . . . 7 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → ((((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘))‘𝑘)‘𝑥) · (((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘))‘(𝐽 − 𝑘))‘𝑥)) = (Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥)))
257256oveq2d 7436 . . . . . 6 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → ((𝐽C𝑘) · ((((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘))‘𝑘)‘𝑥) · (((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘))‘(𝐽 − 𝑘))‘𝑥))) = ((𝐽C𝑘) · (Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))))
25888adantlr 728 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → ((𝐶‘𝑅)‘𝑘) ∈ Fin)
259 ovex 7453 . . . . . . . . . . . 12 (𝐽 − 𝑘) ∈ V
260 eleq1 2848 . . . . . . . . . . . . . 14 (𝑗 = (𝐽 − 𝑘) → (𝑗 ∈ (0...𝐽) ↔ (𝐽 − 𝑘) ∈ (0...𝐽)))
261260anbi2d 642 . . . . . . . . . . . . 13 (𝑗 = (𝐽 − 𝑘) → ((𝜑 ∧ 𝑗 ∈ (0...𝐽)) ↔ (𝜑 ∧ (𝐽 − 𝑘) ∈ (0...𝐽))))
262235feq1d 6691 . . . . . . . . . . . . 13 (𝑗 = (𝐽 − 𝑘) → (((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ ↔ ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)):𝑋⟶ℂ))
263261, 262imbi12d 347 . . . . . . . . . . . 12 (𝑗 = (𝐽 − 𝑘) → (((𝜑 ∧ 𝑗 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ) ↔ ((𝜑 ∧ (𝐽 − 𝑘) ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)):𝑋⟶ℂ)))
264 eleq1 2848 . . . . . . . . . . . . . . 15 (𝑘 = 𝑗 → (𝑘 ∈ (0...𝐽) ↔ 𝑗 ∈ (0...𝐽)))
265264anbi2d 642 . . . . . . . . . . . . . 14 (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ↔ (𝜑 ∧ 𝑗 ∈ (0...𝐽))))
266 fveq2 6885 . . . . . . . . . . . . . . 15 (𝑘 = 𝑗 → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑘) = ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗))
267266feq1d 6691 . . . . . . . . . . . . . 14 (𝑘 = 𝑗 → (((𝑆 D𝑛 (𝐻‘𝑍))‘𝑘):𝑋⟶ℂ ↔ ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ))
268265, 267imbi12d 347 . . . . . . . . . . . . 13 (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑘):𝑋⟶ℂ) ↔ ((𝜑 ∧ 𝑗 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ)))
269268, 190chvarvv 2021 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑗 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ)
270259, 263, 269vtocl 3520 . . . . . . . . . . 11 ((𝜑 ∧ (𝐽 − 𝑘) ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)):𝑋⟶ℂ)
271176, 250, 270syl2anc 596 . . . . . . . . . 10 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)):𝑋⟶ℂ)
272271adantlr 728 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)):𝑋⟶ℂ)
273272, 221ffvelcdmd 7085 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥) ∈ ℂ)
274 anass 474 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ↔ (𝜑 ∧ (𝑘 ∈ (0...𝐽) ∧ 𝑥 ∈ 𝑋)))
275 ancom 466 . . . . . . . . . . . . . 14 ((𝑘 ∈ (0...𝐽) ∧ 𝑥 ∈ 𝑋) ↔ (𝑥 ∈ 𝑋 ∧ 𝑘 ∈ (0...𝐽)))
276275anbi2i 635 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑘 ∈ (0...𝐽) ∧ 𝑥 ∈ 𝑋)) ↔ (𝜑 ∧ (𝑥 ∈ 𝑋 ∧ 𝑘 ∈ (0...𝐽))))
277 anass 474 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) ↔ (𝜑 ∧ (𝑥 ∈ 𝑋 ∧ 𝑘 ∈ (0...𝐽))))
278277bicomi 227 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑥 ∈ 𝑋 ∧ 𝑘 ∈ (0...𝐽))) ↔ ((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)))
279276, 278bitri 278 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑘 ∈ (0...𝐽) ∧ 𝑥 ∈ 𝑋)) ↔ ((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)))
280274, 279bitri 278 . . . . . . . . . . 11 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ↔ ((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)))
281280anbi1i 636 . . . . . . . . . 10 ((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) ↔ (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)))
282281imbi1i 352 . . . . . . . . 9 (((((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → (((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) ∈ ℂ) ↔ ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → (((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) ∈ ℂ))
283151, 282mpbi 233 . . . . . . . 8 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → (((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) ∈ ℂ)
284258, 273, 283fsummulc1 15951 . . . . . . 7 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → (Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥)) = Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥)))
285284oveq2d 7436 . . . . . 6 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → ((𝐽C𝑘) · (Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)(((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))) = ((𝐽C𝑘) · Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))))
286176, 45syl 18 . . . . . . . . . 10 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝐽 ∈ ℕ0)
287286, 159bccld 46330 . . . . . . . . 9 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (𝐽C𝑘) ∈ ℕ0)
288287nn0cnd 12669 . . . . . . . 8 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (𝐽C𝑘) ∈ ℂ)
289288adantlr 728 . . . . . . 7 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → (𝐽C𝑘) ∈ ℂ)
290273adantr 486 . . . . . . . 8 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥) ∈ ℂ)
291283, 290mulcld 11329 . . . . . . 7 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘)) → ((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥)) ∈ ℂ)
292258, 289, 291fsummulc2 15950 . . . . . 6 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → ((𝐽C𝑘) · Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))) = Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)((𝐽C𝑘) · ((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))))
293257, 285, 2923eqtrd 2799 . . . . 5 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑘 ∈ (0...𝐽)) → ((𝐽C𝑘) · ((((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘))‘𝑘)‘𝑥) · (((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘))‘(𝐽 − 𝑘))‘𝑥))) = Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)((𝐽C𝑘) · ((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))))
294293sumeq2dv 15869 . . . 4 ((𝜑 ∧ 𝑥 ∈ 𝑋) → Σ𝑘 ∈ (0...𝐽)((𝐽C𝑘) · ((((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘))‘𝑘)‘𝑥) · (((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘))‘(𝐽 − 𝑘))‘𝑥))) = Σ𝑘 ∈ (0...𝐽)Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)((𝐽C𝑘) · ((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))))
295 vex 3454 . . . . . . . 8 𝑘 ∈ V
296 vex 3454 . . . . . . . 8 𝑐 ∈ V
297295, 296op1std 8011 . . . . . . 7 (𝑝 = ⟨𝑘, 𝑐⟩ → (1st ‘𝑝) = 𝑘)
298297oveq2d 7436 . . . . . 6 (𝑝 = ⟨𝑘, 𝑐⟩ → (𝐽C(1st ‘𝑝)) = (𝐽C𝑘))
299297fveq2d 6889 . . . . . . . . 9 (𝑝 = ⟨𝑘, 𝑐⟩ → (!‘(1st ‘𝑝)) = (!‘𝑘))
300295, 296op2ndd 8012 . . . . . . . . . . . 12 (𝑝 = ⟨𝑘, 𝑐⟩ → (2nd ‘𝑝) = 𝑐)
301300fveq1d 6887 . . . . . . . . . . 11 (𝑝 = ⟨𝑘, 𝑐⟩ → ((2nd ‘𝑝)‘𝑡) = (𝑐‘𝑡))
302301fveq2d 6889 . . . . . . . . . 10 (𝑝 = ⟨𝑘, 𝑐⟩ → (!‘((2nd ‘𝑝)‘𝑡)) = (!‘(𝑐‘𝑡)))
303302prodeq2ad 46604 . . . . . . . . 9 (𝑝 = ⟨𝑘, 𝑐⟩ → ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡)) = ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))
304299, 303oveq12d 7438 . . . . . . . 8 (𝑝 = ⟨𝑘, 𝑐⟩ → ((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) = ((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))))
305301fveq2d 6889 . . . . . . . . . 10 (𝑝 = ⟨𝑘, 𝑐⟩ → ((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡)) = ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)))
306305fveq1d 6887 . . . . . . . . 9 (𝑝 = ⟨𝑘, 𝑐⟩ → (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥) = (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))
307306prodeq2ad 46604 . . . . . . . 8 (𝑝 = ⟨𝑘, 𝑐⟩ → ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥) = ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))
308304, 307oveq12d 7438 . . . . . . 7 (𝑝 = ⟨𝑘, 𝑐⟩ → (((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) = (((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
309297oveq2d 7436 . . . . . . . . 9 (𝑝 = ⟨𝑘, 𝑐⟩ → (𝐽 − (1st ‘𝑝)) = (𝐽 − 𝑘))
310309fveq2d 6889 . . . . . . . 8 (𝑝 = ⟨𝑘, 𝑐⟩ → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝))) = ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘)))
311310fveq1d 6887 . . . . . . 7 (𝑝 = ⟨𝑘, 𝑐⟩ → (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥) = (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))
312308, 311oveq12d 7438 . . . . . 6 (𝑝 = ⟨𝑘, 𝑐⟩ → ((((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥)) = ((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥)))
313298, 312oveq12d 7438 . . . . 5 (𝑝 = ⟨𝑘, 𝑐⟩ → ((𝐽C(1st ‘𝑝)) · ((((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥))) = ((𝐽C𝑘) · ((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))))
314 fzfid 14116 . . . . 5 ((𝜑 ∧ 𝑥 ∈ 𝑋) → (0...𝐽) ∈ Fin)
315289adantrr 730 . . . . . 6 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ (𝑘 ∈ (0...𝐽) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘))) → (𝐽C𝑘) ∈ ℂ)
316291anasss 472 . . . . . 6 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ (𝑘 ∈ (0...𝐽) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘))) → ((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥)) ∈ ℂ)
317315, 316mulcld 11329 . . . . 5 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ (𝑘 ∈ (0...𝐽) ∧ 𝑐 ∈ ((𝐶‘𝑅)‘𝑘))) → ((𝐽C𝑘) · ((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))) ∈ ℂ)
318313, 314, 258, 317fsum2d 15937 . . . 4 ((𝜑 ∧ 𝑥 ∈ 𝑋) → Σ𝑘 ∈ (0...𝐽)Σ𝑐 ∈ ((𝐶‘𝑅)‘𝑘)((𝐽C𝑘) · ((((!‘𝑘) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − 𝑘))‘𝑥))) = Σ𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))((𝐽C(1st ‘𝑝)) · ((((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥))))
319 ovex 7453 . . . . . . . . 9 (𝐽 − (𝑐‘𝑍)) ∈ V
320296resex 6017 . . . . . . . . 9 (𝑐 ↾ 𝑅) ∈ V
321319, 320op1std 8011 . . . . . . . 8 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → (1st ‘𝑝) = (𝐽 − (𝑐‘𝑍)))
322321oveq2d 7436 . . . . . . 7 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → (𝐽C(1st ‘𝑝)) = (𝐽C(𝐽 − (𝑐‘𝑍))))
323321fveq2d 6889 . . . . . . . . . 10 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → (!‘(1st ‘𝑝)) = (!‘(𝐽 − (𝑐‘𝑍))))
324319, 320op2ndd 8012 . . . . . . . . . . . . 13 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → (2nd ‘𝑝) = (𝑐 ↾ 𝑅))
325324fveq1d 6887 . . . . . . . . . . . 12 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → ((2nd ‘𝑝)‘𝑡) = ((𝑐 ↾ 𝑅)‘𝑡))
326325fveq2d 6889 . . . . . . . . . . 11 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → (!‘((2nd ‘𝑝)‘𝑡)) = (!‘((𝑐 ↾ 𝑅)‘𝑡)))
327326prodeq2ad 46604 . . . . . . . . . 10 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡)) = ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡)))
328323, 327oveq12d 7438 . . . . . . . . 9 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → ((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) = ((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))))
329325fveq2d 6889 . . . . . . . . . . 11 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → ((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡)) = ((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡)))
330329fveq1d 6887 . . . . . . . . . 10 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥) = (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥))
331330prodeq2ad 46604 . . . . . . . . 9 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥) = ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥))
332328, 331oveq12d 7438 . . . . . . . 8 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → (((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) = (((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)))
333321oveq2d 7436 . . . . . . . . . 10 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → (𝐽 − (1st ‘𝑝)) = (𝐽 − (𝐽 − (𝑐‘𝑍))))
334333fveq2d 6889 . . . . . . . . 9 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝))) = ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍)))))
335334fveq1d 6887 . . . . . . . 8 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥) = (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍))))‘𝑥))
336332, 335oveq12d 7438 . . . . . . 7 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → ((((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥)) = ((((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍))))‘𝑥)))
337322, 336oveq12d 7438 . . . . . 6 (𝑝 = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ → ((𝐽C(1st ‘𝑝)) · ((((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥))) = ((𝐽C(𝐽 − (𝑐‘𝑍))) · ((((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍))))‘𝑥))))
338 oveq2 7428 . . . . . . . . . . . . 13 (𝑠 = (𝑅 ∪ {𝑍}) → ((0...𝑛) ↑m 𝑠) = ((0...𝑛) ↑m (𝑅 ∪ {𝑍})))
339 rabeq 3426 . . . . . . . . . . . . 13 (((0...𝑛) ↑m 𝑠) = ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) → {𝑐 ∈ ((0...𝑛) ↑m 𝑠) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛})
340338, 339syl 18 . . . . . . . . . . . 12 (𝑠 = (𝑅 ∪ {𝑍}) → {𝑐 ∈ ((0...𝑛) ↑m 𝑠) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛})
341 sumeq1 15856 . . . . . . . . . . . . . 14 (𝑠 = (𝑅 ∪ {𝑍}) → Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡))
342341eqeq1d 2762 . . . . . . . . . . . . 13 (𝑠 = (𝑅 ∪ {𝑍}) → (Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛 ↔ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛))
343342rabbidv 3419 . . . . . . . . . . . 12 (𝑠 = (𝑅 ∪ {𝑍}) → {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛})
344340, 343eqtrd 2795 . . . . . . . . . . 11 (𝑠 = (𝑅 ∪ {𝑍}) → {𝑐 ∈ ((0...𝑛) ↑m 𝑠) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛})
345344mpteq2dv 5198 . . . . . . . . . 10 (𝑠 = (𝑅 ∪ {𝑍}) → (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m 𝑠) ∣ Σ𝑡 ∈ 𝑠 (𝑐‘𝑡) = 𝑛}) = (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛}))
34623snssd 4746 . . . . . . . . . . . 12 (𝜑 → {𝑍} ⊆ 𝑇)
3474, 346unssd 4190 . . . . . . . . . . 11 (𝜑 → (𝑅 ∪ {𝑍}) ⊆ 𝑇)
3483, 347ssexd 5285 . . . . . . . . . . . 12 (𝜑 → (𝑅 ∪ {𝑍}) ∈ V)
349 elpwg 4559 . . . . . . . . . . . 12 ((𝑅 ∪ {𝑍}) ∈ V → ((𝑅 ∪ {𝑍}) ∈ 𝒫 𝑇 ↔ (𝑅 ∪ {𝑍}) ⊆ 𝑇))
350348, 349syl 18 . . . . . . . . . . 11 (𝜑 → ((𝑅 ∪ {𝑍}) ∈ 𝒫 𝑇 ↔ (𝑅 ∪ {𝑍}) ⊆ 𝑇))
351347, 350mpbird 260 . . . . . . . . . 10 (𝜑 → (𝑅 ∪ {𝑍}) ∈ 𝒫 𝑇)
35263mptex 7229 . . . . . . . . . . 11 (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛}) ∈ V
353352a1i 11 . . . . . . . . . 10 (𝜑 → (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛}) ∈ V)
35448, 345, 351, 353fvmptd3 7017 . . . . . . . . 9 (𝜑 → (𝐶‘(𝑅 ∪ {𝑍})) = (𝑛 ∈ ℕ0 ↦ {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛}))
355 oveq2 7428 . . . . . . . . . . . . 13 (𝑛 = 𝐽 → (0...𝑛) = (0...𝐽))
356355oveq1d 7435 . . . . . . . . . . . 12 (𝑛 = 𝐽 → ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) = ((0...𝐽) ↑m (𝑅 ∪ {𝑍})))
357 rabeq 3426 . . . . . . . . . . . 12 (((0...𝑛) ↑m (𝑅 ∪ {𝑍})) = ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) → {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛})
358356, 357syl 18 . . . . . . . . . . 11 (𝑛 = 𝐽 → {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛})
359 eqeq2 2772 . . . . . . . . . . . 12 (𝑛 = 𝐽 → (Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛 ↔ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽))
360359rabbidv 3419 . . . . . . . . . . 11 (𝑛 = 𝐽 → {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽})
361358, 360eqtrd 2795 . . . . . . . . . 10 (𝑛 = 𝐽 → {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽})
362361adantl 487 . . . . . . . . 9 ((𝜑 ∧ 𝑛 = 𝐽) → {𝑐 ∈ ((0...𝑛) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝑛} = {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽})
363 ovex 7453 . . . . . . . . . . 11 ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∈ V
364363rabex 5299 . . . . . . . . . 10 {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽} ∈ V
365364a1i 11 . . . . . . . . 9 (𝜑 → {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽} ∈ V)
366354, 362, 45, 365fvmptd 7001 . . . . . . . 8 (𝜑 → ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽) = {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽})
367 fzfid 14116 . . . . . . . . . 10 (𝜑 → (0...𝐽) ∈ Fin)
368 snfi 9071 . . . . . . . . . . . 12 {𝑍} ∈ Fin
369368a1i 11 . . . . . . . . . . 11 (𝜑 → {𝑍} ∈ Fin)
370 unfi 9186 . . . . . . . . . . 11 ((𝑅 ∈ Fin ∧ {𝑍} ∈ Fin) → (𝑅 ∪ {𝑍}) ∈ Fin)
3716, 369, 370syl2anc 596 . . . . . . . . . 10 (𝜑 → (𝑅 ∪ {𝑍}) ∈ Fin)
372 mapfi 9337 . . . . . . . . . 10 (((0...𝐽) ∈ Fin ∧ (𝑅 ∪ {𝑍}) ∈ Fin) → ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∈ Fin)
373367, 371, 372syl2anc 596 . . . . . . . . 9 (𝜑 → ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∈ Fin)
374 ssrab2 4005 . . . . . . . . . 10 {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽} ⊆ ((0...𝐽) ↑m (𝑅 ∪ {𝑍}))
375374a1i 11 . . . . . . . . 9 (𝜑 → {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽} ⊆ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})))
376 ssfi 9188 . . . . . . . . 9 ((((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∈ Fin ∧ {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽} ⊆ ((0...𝐽) ↑m (𝑅 ∪ {𝑍}))) → {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽} ∈ Fin)
377373, 375, 376syl2anc 596 . . . . . . . 8 (𝜑 → {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽} ∈ Fin)
378366, 377eqeltrd 2860 . . . . . . 7 (𝜑 → ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽) ∈ Fin)
379378adantr 486 . . . . . 6 ((𝜑 ∧ 𝑥 ∈ 𝑋) → ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽) ∈ Fin)
380 dvnprodlem2.d . . . . . . . 8 𝐷 = (𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽) ↦ ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩)
38148, 45, 380, 3, 23, 10, 347dvnprodlem1 46956 . . . . . . 7 (𝜑 → 𝐷:((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)–1-1-onto→∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘)))
382381adantr 486 . . . . . 6 ((𝜑 ∧ 𝑥 ∈ 𝑋) → 𝐷:((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)–1-1-onto→∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘)))
383 simpr 490 . . . . . . . 8 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽))
384 opex 5431 . . . . . . . . 9 ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ ∈ V
385384a1i 11 . . . . . . . 8 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ ∈ V)
386380fvmpt2 7005 . . . . . . . 8 ((𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽) ∧ ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩ ∈ V) → (𝐷‘𝑐) = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩)
387383, 385, 386syl2anc 596 . . . . . . 7 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝐷‘𝑐) = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩)
388387adantlr 728 . . . . . 6 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝐷‘𝑐) = ⟨(𝐽 − (𝑐‘𝑍)), (𝑐 ↾ 𝑅)⟩)
38945adantr 486 . . . . . . . . . 10 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → 𝐽 ∈ ℕ0)
390 eliun 4954 . . . . . . . . . . . . 13 (𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘)) ↔ ∃𝑘 ∈ (0...𝐽)𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)))
391390bilani 510 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ∃𝑘 ∈ (0...𝐽)𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)))
392 nfv 1946 . . . . . . . . . . . . . 14 Ⅎ𝑘𝜑
393 nfcv 2922 . . . . . . . . . . . . . . 15 Ⅎ𝑘𝑝
394 nfiu1 4985 . . . . . . . . . . . . . . 15 Ⅎ𝑘∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))
395393, 394nfel 2936 . . . . . . . . . . . . . 14 Ⅎ𝑘 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))
396392, 395nfan 1931 . . . . . . . . . . . . 13 Ⅎ𝑘(𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘)))
397 nfv 1946 . . . . . . . . . . . . 13 Ⅎ𝑘(1st ‘𝑝) ∈ (0...𝐽)
398 xp1st 8033 . . . . . . . . . . . . . . . . . 18 (𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (1st ‘𝑝) ∈ {𝑘})
399 elsni 4600 . . . . . . . . . . . . . . . . . 18 ((1st ‘𝑝) ∈ {𝑘} → (1st ‘𝑝) = 𝑘)
400398, 399syl 18 . . . . . . . . . . . . . . . . 17 (𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (1st ‘𝑝) = 𝑘)
401400adantl 487 . . . . . . . . . . . . . . . 16 ((𝑘 ∈ (0...𝐽) ∧ 𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (1st ‘𝑝) = 𝑘)
402 simpl 488 . . . . . . . . . . . . . . . 16 ((𝑘 ∈ (0...𝐽) ∧ 𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘))) → 𝑘 ∈ (0...𝐽))
403401, 402eqeltrd 2860 . . . . . . . . . . . . . . 15 ((𝑘 ∈ (0...𝐽) ∧ 𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (1st ‘𝑝) ∈ (0...𝐽))
404403ex 418 . . . . . . . . . . . . . 14 (𝑘 ∈ (0...𝐽) → (𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (1st ‘𝑝) ∈ (0...𝐽)))
405404a1i 11 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (𝑘 ∈ (0...𝐽) → (𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (1st ‘𝑝) ∈ (0...𝐽))))
406396, 397, 405rexlimd 3269 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (∃𝑘 ∈ (0...𝐽)𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (1st ‘𝑝) ∈ (0...𝐽)))
407391, 406mpd 16 . . . . . . . . . . 11 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (1st ‘𝑝) ∈ (0...𝐽))
408 elfzelz 13656 . . . . . . . . . . 11 ((1st ‘𝑝) ∈ (0...𝐽) → (1st ‘𝑝) ∈ ℤ)
409407, 408syl 18 . . . . . . . . . 10 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (1st ‘𝑝) ∈ ℤ)
410389, 409bccld 46330 . . . . . . . . 9 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (𝐽C(1st ‘𝑝)) ∈ ℕ0)
411410nn0cnd 12669 . . . . . . . 8 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (𝐽C(1st ‘𝑝)) ∈ ℂ)
412411adantlr 728 . . . . . . 7 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (𝐽C(1st ‘𝑝)) ∈ ℂ)
413 elfznn0 13754 . . . . . . . . . . . . . 14 ((1st ‘𝑝) ∈ (0...𝐽) → (1st ‘𝑝) ∈ ℕ0)
414407, 413syl 18 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (1st ‘𝑝) ∈ ℕ0)
415414faccld 14428 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (!‘(1st ‘𝑝)) ∈ ℕ)
416415nncnd 12351 . . . . . . . . . . 11 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (!‘(1st ‘𝑝)) ∈ ℂ)
417416adantlr 728 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (!‘(1st ‘𝑝)) ∈ ℂ)
4186adantr 486 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → 𝑅 ∈ Fin)
419 nfv 1946 . . . . . . . . . . . . . . . 16 Ⅎ𝑘(2nd ‘𝑝):𝑅⟶(0...𝐽)
42084, 82eqsstrd 3942 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝐶‘𝑅)‘𝑘) ⊆ ((0...𝑘) ↑m 𝑅))
421 ovex 7453 . . . . . . . . . . . . . . . . . . . . . . . . 25 (0...𝐽) ∈ V
422421a1i 11 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑘 ∈ (0...𝐽) → (0...𝐽) ∈ V)
423 mapss 8917 . . . . . . . . . . . . . . . . . . . . . . . 24 (((0...𝐽) ∈ V ∧ (0...𝑘) ⊆ (0...𝐽)) → ((0...𝑘) ↑m 𝑅) ⊆ ((0...𝐽) ↑m 𝑅))
424422, 122, 423syl2anc 596 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑘 ∈ (0...𝐽) → ((0...𝑘) ↑m 𝑅) ⊆ ((0...𝐽) ↑m 𝑅))
425424adantl 487 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((0...𝑘) ↑m 𝑅) ⊆ ((0...𝐽) ↑m 𝑅))
426420, 425sstrd 3918 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝐶‘𝑅)‘𝑘) ⊆ ((0...𝐽) ↑m 𝑅))
4274263adant3 1150 . . . . . . . . . . . . . . . . . . . 20 ((𝜑 ∧ 𝑘 ∈ (0...𝐽) ∧ 𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ((𝐶‘𝑅)‘𝑘) ⊆ ((0...𝐽) ↑m 𝑅))
428 xp2nd 8034 . . . . . . . . . . . . . . . . . . . . 21 (𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (2nd ‘𝑝) ∈ ((𝐶‘𝑅)‘𝑘))
4294283ad2ant3 1153 . . . . . . . . . . . . . . . . . . . 20 ((𝜑 ∧ 𝑘 ∈ (0...𝐽) ∧ 𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (2nd ‘𝑝) ∈ ((𝐶‘𝑅)‘𝑘))
430427, 429sseldd 3909 . . . . . . . . . . . . . . . . . . 19 ((𝜑 ∧ 𝑘 ∈ (0...𝐽) ∧ 𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (2nd ‘𝑝) ∈ ((0...𝐽) ↑m 𝑅))
431 elmapi 8869 . . . . . . . . . . . . . . . . . . 19 ((2nd ‘𝑝) ∈ ((0...𝐽) ↑m 𝑅) → (2nd ‘𝑝):𝑅⟶(0...𝐽))
432430, 431syl 18 . . . . . . . . . . . . . . . . . 18 ((𝜑 ∧ 𝑘 ∈ (0...𝐽) ∧ 𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (2nd ‘𝑝):𝑅⟶(0...𝐽))
4334323exp 1137 . . . . . . . . . . . . . . . . 17 (𝜑 → (𝑘 ∈ (0...𝐽) → (𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (2nd ‘𝑝):𝑅⟶(0...𝐽))))
434433adantr 486 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (𝑘 ∈ (0...𝐽) → (𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (2nd ‘𝑝):𝑅⟶(0...𝐽))))
435396, 419, 434rexlimd 3269 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (∃𝑘 ∈ (0...𝐽)𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (2nd ‘𝑝):𝑅⟶(0...𝐽)))
436391, 435mpd 16 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (2nd ‘𝑝):𝑅⟶(0...𝐽))
437436ffvelcdmda 7084 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → ((2nd ‘𝑝)‘𝑡) ∈ (0...𝐽))
438 elfznn0 13754 . . . . . . . . . . . . . . 15 (((2nd ‘𝑝)‘𝑡) ∈ (0...𝐽) → ((2nd ‘𝑝)‘𝑡) ∈ ℕ0)
439438faccld 14428 . . . . . . . . . . . . . 14 (((2nd ‘𝑝)‘𝑡) ∈ (0...𝐽) → (!‘((2nd ‘𝑝)‘𝑡)) ∈ ℕ)
440439nncnd 12351 . . . . . . . . . . . . 13 (((2nd ‘𝑝)‘𝑡) ∈ (0...𝐽) → (!‘((2nd ‘𝑝)‘𝑡)) ∈ ℂ)
441437, 440syl 18 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → (!‘((2nd ‘𝑝)‘𝑡)) ∈ ℂ)
442418, 441fprodcl 16119 . . . . . . . . . . 11 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡)) ∈ ℂ)
443442adantlr 728 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡)) ∈ ℂ)
444437, 439syl 18 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → (!‘((2nd ‘𝑝)‘𝑡)) ∈ ℕ)
445 nnne0 12372 . . . . . . . . . . . . 13 ((!‘((2nd ‘𝑝)‘𝑡)) ∈ ℕ → (!‘((2nd ‘𝑝)‘𝑡)) ≠ 0)
446444, 445syl 18 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → (!‘((2nd ‘𝑝)‘𝑡)) ≠ 0)
447418, 441, 446fprodn0 16146 . . . . . . . . . . 11 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡)) ≠ 0)
448447adantlr 728 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡)) ≠ 0)
449417, 443, 448divcld 12093 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) ∈ ℂ)
4507adantr 486 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → 𝑅 ∈ Fin)
451 simpll 779 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → 𝜑)
452451, 13sylancom 600 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → 𝑡 ∈ 𝑇)
453451, 133syl 18 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → (0...𝐽) ⊆ (0...𝑁))
454453, 437sseldd 3909 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → ((2nd ‘𝑝)‘𝑡) ∈ (0...𝑁))
455451, 452, 4543jca 1146 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → (𝜑 ∧ 𝑡 ∈ 𝑇 ∧ ((2nd ‘𝑝)‘𝑡) ∈ (0...𝑁)))
456 eleq1 2848 . . . . . . . . . . . . . . . 16 (𝑗 = ((2nd ‘𝑝)‘𝑡) → (𝑗 ∈ (0...𝑁) ↔ ((2nd ‘𝑝)‘𝑡) ∈ (0...𝑁)))
4574563anbi3d 1470 . . . . . . . . . . . . . . 15 (𝑗 = ((2nd ‘𝑝)‘𝑡) → ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) ↔ (𝜑 ∧ 𝑡 ∈ 𝑇 ∧ ((2nd ‘𝑝)‘𝑡) ∈ (0...𝑁))))
458 fveq2 6885 . . . . . . . . . . . . . . . 16 (𝑗 = ((2nd ‘𝑝)‘𝑡) → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗) = ((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡)))
459458feq1d 6691 . . . . . . . . . . . . . . 15 (𝑗 = ((2nd ‘𝑝)‘𝑡) → (((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗):𝑋⟶ℂ ↔ ((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡)):𝑋⟶ℂ))
460457, 459imbi12d 347 . . . . . . . . . . . . . 14 (𝑗 = ((2nd ‘𝑝)‘𝑡) → (((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗):𝑋⟶ℂ) ↔ ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ ((2nd ‘𝑝)‘𝑡) ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡)):𝑋⟶ℂ)))
461460, 145vtoclg 3517 . . . . . . . . . . . . 13 (((2nd ‘𝑝)‘𝑡) ∈ (0...𝐽) → ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ ((2nd ‘𝑝)‘𝑡) ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡)):𝑋⟶ℂ))
462437, 455, 461sylc 66 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → ((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡)):𝑋⟶ℂ)
463462adantllr 732 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → ((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡)):𝑋⟶ℂ)
46417adantlr 728 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → 𝑥 ∈ 𝑋)
465463, 464ffvelcdmd 7085 . . . . . . . . . 10 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) ∧ 𝑡 ∈ 𝑅) → (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥) ∈ ℂ)
466450, 465fprodcl 16119 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥) ∈ ℂ)
467449, 466mulcld 11329 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) ∈ ℂ)
468 nfv 1946 . . . . . . . . . . . . 13 Ⅎ𝑘(𝐽 − (1st ‘𝑝)) ∈ (0...𝐽)
469 simp1 1154 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑘 ∈ (0...𝐽) ∧ 𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘))) → 𝜑)
4704033adant1 1148 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑘 ∈ (0...𝐽) ∧ 𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (1st ‘𝑝) ∈ (0...𝐽))
471 fznn0sub2 13769 . . . . . . . . . . . . . . . . 17 ((1st ‘𝑝) ∈ (0...𝐽) → (𝐽 − (1st ‘𝑝)) ∈ (0...𝐽))
472471adantl 487 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ (1st ‘𝑝) ∈ (0...𝐽)) → (𝐽 − (1st ‘𝑝)) ∈ (0...𝐽))
473469, 470, 472syl2anc 596 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑘 ∈ (0...𝐽) ∧ 𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (𝐽 − (1st ‘𝑝)) ∈ (0...𝐽))
4744733exp 1137 . . . . . . . . . . . . . 14 (𝜑 → (𝑘 ∈ (0...𝐽) → (𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (𝐽 − (1st ‘𝑝)) ∈ (0...𝐽))))
475474adantr 486 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (𝑘 ∈ (0...𝐽) → (𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (𝐽 − (1st ‘𝑝)) ∈ (0...𝐽))))
476396, 468, 475rexlimd 3269 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (∃𝑘 ∈ (0...𝐽)𝑝 ∈ ({𝑘} × ((𝐶‘𝑅)‘𝑘)) → (𝐽 − (1st ‘𝑝)) ∈ (0...𝐽)))
477391, 476mpd 16 . . . . . . . . . . 11 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (𝐽 − (1st ‘𝑝)) ∈ (0...𝐽))
478 simpl 488 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → 𝜑)
479478, 23syl 18 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → 𝑍 ∈ 𝑇)
480478, 133syl 18 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (0...𝐽) ⊆ (0...𝑁))
481480, 477sseldd 3909 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (𝐽 − (1st ‘𝑝)) ∈ (0...𝑁))
482478, 479, 4813jca 1146 . . . . . . . . . . 11 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (𝜑 ∧ 𝑍 ∈ 𝑇 ∧ (𝐽 − (1st ‘𝑝)) ∈ (0...𝑁)))
483 eleq1 2848 . . . . . . . . . . . . . 14 (𝑗 = (𝐽 − (1st ‘𝑝)) → (𝑗 ∈ (0...𝑁) ↔ (𝐽 − (1st ‘𝑝)) ∈ (0...𝑁)))
4844833anbi3d 1470 . . . . . . . . . . . . 13 (𝑗 = (𝐽 − (1st ‘𝑝)) → ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) ↔ (𝜑 ∧ 𝑍 ∈ 𝑇 ∧ (𝐽 − (1st ‘𝑝)) ∈ (0...𝑁))))
485 fveq2 6885 . . . . . . . . . . . . . 14 (𝑗 = (𝐽 − (1st ‘𝑝)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗) = ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝))))
486485feq1d 6691 . . . . . . . . . . . . 13 (𝑗 = (𝐽 − (1st ‘𝑝)) → (((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ ↔ ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝))):𝑋⟶ℂ))
487484, 486imbi12d 347 . . . . . . . . . . . 12 (𝑗 = (𝐽 − (1st ‘𝑝)) → (((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ) ↔ ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ (𝐽 − (1st ‘𝑝)) ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝))):𝑋⟶ℂ)))
488 simp2 1155 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → 𝑍 ∈ 𝑇)
489 id 23 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → (𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)))
490263anbi2d 1469 . . . . . . . . . . . . . . 15 (𝑡 = 𝑍 → ((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) ↔ (𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁))))
491179fveq1d 6887 . . . . . . . . . . . . . . . 16 (𝑡 = 𝑍 → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗) = ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗))
492491feq1d 6691 . . . . . . . . . . . . . . 15 (𝑡 = 𝑍 → (((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗):𝑋⟶ℂ ↔ ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ))
493490, 492imbi12d 347 . . . . . . . . . . . . . 14 (𝑡 = 𝑍 → (((𝜑 ∧ 𝑡 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑡))‘𝑗):𝑋⟶ℂ) ↔ ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ)))
494493, 145vtoclg 3517 . . . . . . . . . . . . 13 (𝑍 ∈ 𝑇 → ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ))
495488, 489, 494sylc 66 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ)
496487, 495vtoclg 3517 . . . . . . . . . . 11 ((𝐽 − (1st ‘𝑝)) ∈ (0...𝐽) → ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ (𝐽 − (1st ‘𝑝)) ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝))):𝑋⟶ℂ))
497477, 482, 496sylc 66 . . . . . . . . . 10 ((𝜑 ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝))):𝑋⟶ℂ)
498497adantlr 728 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝))):𝑋⟶ℂ)
49934adantr 486 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → 𝑥 ∈ 𝑋)
500498, 499ffvelcdmd 7085 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥) ∈ ℂ)
501467, 500mulcld 11329 . . . . . . 7 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ((((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥)) ∈ ℂ)
502412, 501mulcld 11329 . . . . . 6 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))) → ((𝐽C(1st ‘𝑝)) · ((((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥))) ∈ ℂ)
503337, 379, 382, 388, 502fsumf1o 15889 . . . . 5 ((𝜑 ∧ 𝑥 ∈ 𝑋) → Σ𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))((𝐽C(1st ‘𝑝)) · ((((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥))) = Σ𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)((𝐽C(𝐽 − (𝑐‘𝑍))) · ((((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍))))‘𝑥))))
504 simpl 488 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝜑)
505366adantr 486 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽) = {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽})
506383, 505eleqtrd 2862 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝑐 ∈ {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽})
507374sseli 3904 . . . . . . . . . . . . . . 15 (𝑐 ∈ {𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) ∣ Σ𝑡 ∈ (𝑅 ∪ {𝑍})(𝑐‘𝑡) = 𝐽} → 𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})))
508506, 507syl 18 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})))
509 elmapi 8869 . . . . . . . . . . . . . 14 (𝑐 ∈ ((0...𝐽) ↑m (𝑅 ∪ {𝑍})) → 𝑐:(𝑅 ∪ {𝑍})⟶(0...𝐽))
510508, 509syl 18 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝑐:(𝑅 ∪ {𝑍})⟶(0...𝐽))
511 snidg 4620 . . . . . . . . . . . . . . . 16 (𝑍 ∈ 𝑇 → 𝑍 ∈ {𝑍})
51223, 511syl 18 . . . . . . . . . . . . . . 15 (𝜑 → 𝑍 ∈ {𝑍})
513 elun2 4181 . . . . . . . . . . . . . . 15 (𝑍 ∈ {𝑍} → 𝑍 ∈ (𝑅 ∪ {𝑍}))
514512, 513syl 18 . . . . . . . . . . . . . 14 (𝜑 → 𝑍 ∈ (𝑅 ∪ {𝑍}))
515514adantr 486 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝑍 ∈ (𝑅 ∪ {𝑍}))
516510, 515ffvelcdmd 7085 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝑐‘𝑍) ∈ (0...𝐽))
517 0zd 12705 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → 0 ∈ ℤ)
518124adantr 486 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → 𝐽 ∈ ℤ)
519 fzssz 13658 . . . . . . . . . . . . . . . 16 (0...𝐽) ⊆ ℤ
520519sseli 3904 . . . . . . . . . . . . . . 15 ((𝑐‘𝑍) ∈ (0...𝐽) → (𝑐‘𝑍) ∈ ℤ)
521520adantl 487 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → (𝑐‘𝑍) ∈ ℤ)
522518, 521zsubcld 12808 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → (𝐽 − (𝑐‘𝑍)) ∈ ℤ)
523 elfzle2 13661 . . . . . . . . . . . . . . 15 ((𝑐‘𝑍) ∈ (0...𝐽) → (𝑐‘𝑍) ≤ 𝐽)
524523adantl 487 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → (𝑐‘𝑍) ≤ 𝐽)
525163adantr 486 . . . . . . . . . . . . . . 15 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → 𝐽 ∈ ℝ)
526521zred 12803 . . . . . . . . . . . . . . 15 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → (𝑐‘𝑍) ∈ ℝ)
527525, 526subge0d 11906 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → (0 ≤ (𝐽 − (𝑐‘𝑍)) ↔ (𝑐‘𝑍) ≤ 𝐽))
528524, 527mpbird 260 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → 0 ≤ (𝐽 − (𝑐‘𝑍)))
529 elfzle1 13660 . . . . . . . . . . . . . . 15 ((𝑐‘𝑍) ∈ (0...𝐽) → 0 ≤ (𝑐‘𝑍))
530529adantl 487 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → 0 ≤ (𝑐‘𝑍))
531525, 526subge02d 11908 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → (0 ≤ (𝑐‘𝑍) ↔ (𝐽 − (𝑐‘𝑍)) ≤ 𝐽))
532530, 531mpbid 235 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → (𝐽 − (𝑐‘𝑍)) ≤ 𝐽)
533517, 518, 522, 528, 532elfzd 13647 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑐‘𝑍) ∈ (0...𝐽)) → (𝐽 − (𝑐‘𝑍)) ∈ (0...𝐽))
534504, 516, 533syl2anc 596 . . . . . . . . . . 11 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝐽 − (𝑐‘𝑍)) ∈ (0...𝐽))
535 bcval2 14449 . . . . . . . . . . 11 ((𝐽 − (𝑐‘𝑍)) ∈ (0...𝐽) → (𝐽C(𝐽 − (𝑐‘𝑍))) = ((!‘𝐽) / ((!‘(𝐽 − (𝐽 − (𝑐‘𝑍)))) · (!‘(𝐽 − (𝑐‘𝑍))))))
536534, 535syl 18 . . . . . . . . . 10 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝐽C(𝐽 − (𝑐‘𝑍))) = ((!‘𝐽) / ((!‘(𝐽 − (𝐽 − (𝑐‘𝑍)))) · (!‘(𝐽 − (𝑐‘𝑍))))))
537163recnd 11337 . . . . . . . . . . . . . . 15 (𝜑 → 𝐽 ∈ ℂ)
538537adantr 486 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝐽 ∈ ℂ)
539 zsscn 12701 . . . . . . . . . . . . . . . . 17 ℤ ⊆ ℂ
540519, 539sstri 3917 . . . . . . . . . . . . . . . 16 (0...𝐽) ⊆ ℂ
541540a1i 11 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (0...𝐽) ⊆ ℂ)
542541, 516sseldd 3909 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝑐‘𝑍) ∈ ℂ)
543538, 542nncand 11674 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝐽 − (𝐽 − (𝑐‘𝑍))) = (𝑐‘𝑍))
544543fveq2d 6889 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘(𝐽 − (𝐽 − (𝑐‘𝑍)))) = (!‘(𝑐‘𝑍)))
545544oveq1d 7435 . . . . . . . . . . 11 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((!‘(𝐽 − (𝐽 − (𝑐‘𝑍)))) · (!‘(𝐽 − (𝑐‘𝑍)))) = ((!‘(𝑐‘𝑍)) · (!‘(𝐽 − (𝑐‘𝑍)))))
546545oveq2d 7436 . . . . . . . . . 10 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((!‘𝐽) / ((!‘(𝐽 − (𝐽 − (𝑐‘𝑍)))) · (!‘(𝐽 − (𝑐‘𝑍))))) = ((!‘𝐽) / ((!‘(𝑐‘𝑍)) · (!‘(𝐽 − (𝑐‘𝑍))))))
54745faccld 14428 . . . . . . . . . . . . . 14 (𝜑 → (!‘𝐽) ∈ ℕ)
548547nncnd 12351 . . . . . . . . . . . . 13 (𝜑 → (!‘𝐽) ∈ ℂ)
549548adantr 486 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘𝐽) ∈ ℂ)
550 elfznn0 13754 . . . . . . . . . . . . . . 15 ((𝑐‘𝑍) ∈ (0...𝐽) → (𝑐‘𝑍) ∈ ℕ0)
551516, 550syl 18 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝑐‘𝑍) ∈ ℕ0)
552551faccld 14428 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘(𝑐‘𝑍)) ∈ ℕ)
553552nncnd 12351 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘(𝑐‘𝑍)) ∈ ℂ)
554 elfznn0 13754 . . . . . . . . . . . . . . 15 ((𝐽 − (𝑐‘𝑍)) ∈ (0...𝐽) → (𝐽 − (𝑐‘𝑍)) ∈ ℕ0)
555534, 554syl 18 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝐽 − (𝑐‘𝑍)) ∈ ℕ0)
556555faccld 14428 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘(𝐽 − (𝑐‘𝑍))) ∈ ℕ)
557556nncnd 12351 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘(𝐽 − (𝑐‘𝑍))) ∈ ℂ)
558552nnne0d 12388 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘(𝑐‘𝑍)) ≠ 0)
559556nnne0d 12388 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘(𝐽 − (𝑐‘𝑍))) ≠ 0)
560549, 553, 557, 558, 559divdiv1d 12124 . . . . . . . . . . 11 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘𝐽) / (!‘(𝑐‘𝑍))) / (!‘(𝐽 − (𝑐‘𝑍)))) = ((!‘𝐽) / ((!‘(𝑐‘𝑍)) · (!‘(𝐽 − (𝑐‘𝑍))))))
561560eqcomd 2766 . . . . . . . . . 10 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((!‘𝐽) / ((!‘(𝑐‘𝑍)) · (!‘(𝐽 − (𝑐‘𝑍))))) = (((!‘𝐽) / (!‘(𝑐‘𝑍))) / (!‘(𝐽 − (𝑐‘𝑍)))))
562536, 546, 5613eqtrd 2799 . . . . . . . . 9 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝐽C(𝐽 − (𝑐‘𝑍))) = (((!‘𝐽) / (!‘(𝑐‘𝑍))) / (!‘(𝐽 − (𝑐‘𝑍)))))
563562adantlr 728 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝐽C(𝐽 − (𝑐‘𝑍))) = (((!‘𝐽) / (!‘(𝑐‘𝑍))) / (!‘(𝐽 − (𝑐‘𝑍)))))
564 fvres 6904 . . . . . . . . . . . . . . . . 17 (𝑡 ∈ 𝑅 → ((𝑐 ↾ 𝑅)‘𝑡) = (𝑐‘𝑡))
565564fveq2d 6889 . . . . . . . . . . . . . . . 16 (𝑡 ∈ 𝑅 → (!‘((𝑐 ↾ 𝑅)‘𝑡)) = (!‘(𝑐‘𝑡)))
566565prodeq2i 16086 . . . . . . . . . . . . . . 15 ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡)) = ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))
567566oveq2i 7431 . . . . . . . . . . . . . 14 ((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) = ((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))
568564fveq2d 6889 . . . . . . . . . . . . . . . 16 (𝑡 ∈ 𝑅 → ((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡)) = ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)))
569568fveq1d 6887 . . . . . . . . . . . . . . 15 (𝑡 ∈ 𝑅 → (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥) = (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))
570569prodeq2i 16086 . . . . . . . . . . . . . 14 ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥) = ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)
571567, 570oveq12i 7432 . . . . . . . . . . . . 13 (((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) = (((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))
572571a1i 11 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) = (((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
573572adantlr 728 . . . . . . . . . . 11 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) = (((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
574557adantlr 728 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘(𝐽 − (𝑐‘𝑍))) ∈ ℂ)
575504, 6syl 18 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝑅 ∈ Fin)
57675ssriv 3912 . . . . . . . . . . . . . . . . . 18 (0...𝐽) ⊆ ℕ0
577576a1i 11 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → (0...𝐽) ⊆ ℕ0)
578510adantr 486 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → 𝑐:(𝑅 ∪ {𝑍})⟶(0...𝐽))
579 elun1 4180 . . . . . . . . . . . . . . . . . . 19 (𝑡 ∈ 𝑅 → 𝑡 ∈ (𝑅 ∪ {𝑍}))
580579adantl 487 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → 𝑡 ∈ (𝑅 ∪ {𝑍}))
581578, 580ffvelcdmd 7085 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → (𝑐‘𝑡) ∈ (0...𝐽))
582577, 581sseldd 3909 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → (𝑐‘𝑡) ∈ ℕ0)
583582faccld 14428 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → (!‘(𝑐‘𝑡)) ∈ ℕ)
584583nncnd 12351 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → (!‘(𝑐‘𝑡)) ∈ ℂ)
585575, 584fprodcl 16119 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) ∈ ℂ)
586585adantlr 728 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) ∈ ℂ)
5877adantr 486 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝑅 ∈ Fin)
588504adantr 486 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → 𝜑)
589504, 13sylan 592 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → 𝑡 ∈ 𝑇)
590588, 133syl 18 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → (0...𝐽) ⊆ (0...𝑁))
591590, 581sseldd 3909 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → (𝑐‘𝑡) ∈ (0...𝑁))
592588, 589, 591, 146syl3anc 1398 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)):𝑋⟶ℂ)
593592adantllr 732 . . . . . . . . . . . . . 14 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)):𝑋⟶ℂ)
59417adantlr 728 . . . . . . . . . . . . . 14 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → 𝑥 ∈ 𝑋)
595593, 594ffvelcdmd 7085 . . . . . . . . . . . . 13 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ 𝑅) → (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) ∈ ℂ)
596587, 595fprodcl 16119 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) ∈ ℂ)
597575, 583fprodnncl 16122 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) ∈ ℕ)
598 nnne0 12372 . . . . . . . . . . . . . 14 (∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) ∈ ℕ → ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) ≠ 0)
599597, 598syl 18 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) ≠ 0)
600599adantlr 728 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) ≠ 0)
601574, 586, 596, 600div32d 12116 . . . . . . . . . . 11 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) = ((!‘(𝐽 − (𝑐‘𝑍))) · (∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))))
602573, 601eqtrd 2795 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) = ((!‘(𝐽 − (𝑐‘𝑍))) · (∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))))
603543fveq2d 6889 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍)))) = ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍)))
604603fveq1d 6887 . . . . . . . . . . 11 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍))))‘𝑥) = (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥))
605604adantlr 728 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍))))‘𝑥) = (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥))
606602, 605oveq12d 7438 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍))))‘𝑥)) = (((!‘(𝐽 − (𝑐‘𝑍))) · (∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)))
607596, 586, 600divcld 12093 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) ∈ ℂ)
608504, 23syl 18 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝑍 ∈ 𝑇)
609504, 133syl 18 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (0...𝐽) ⊆ (0...𝑁))
610609, 516sseldd 3909 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝑐‘𝑍) ∈ (0...𝑁))
611504, 608, 6103jca 1146 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝜑 ∧ 𝑍 ∈ 𝑇 ∧ (𝑐‘𝑍) ∈ (0...𝑁)))
612 eleq1 2848 . . . . . . . . . . . . . . . 16 (𝑗 = (𝑐‘𝑍) → (𝑗 ∈ (0...𝑁) ↔ (𝑐‘𝑍) ∈ (0...𝑁)))
6136123anbi3d 1470 . . . . . . . . . . . . . . 15 (𝑗 = (𝑐‘𝑍) → ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) ↔ (𝜑 ∧ 𝑍 ∈ 𝑇 ∧ (𝑐‘𝑍) ∈ (0...𝑁))))
614 fveq2 6885 . . . . . . . . . . . . . . . 16 (𝑗 = (𝑐‘𝑍) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗) = ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍)))
615614feq1d 6691 . . . . . . . . . . . . . . 15 (𝑗 = (𝑐‘𝑍) → (((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ ↔ ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍)):𝑋⟶ℂ))
616613, 615imbi12d 347 . . . . . . . . . . . . . 14 (𝑗 = (𝑐‘𝑍) → (((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ 𝑗 ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘𝑗):𝑋⟶ℂ) ↔ ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ (𝑐‘𝑍) ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍)):𝑋⟶ℂ)))
617616, 495vtoclg 3517 . . . . . . . . . . . . 13 ((𝑐‘𝑍) ∈ (0...𝐽) → ((𝜑 ∧ 𝑍 ∈ 𝑇 ∧ (𝑐‘𝑍) ∈ (0...𝑁)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍)):𝑋⟶ℂ))
618516, 611, 617sylc 66 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍)):𝑋⟶ℂ)
619618adantlr 728 . . . . . . . . . . 11 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍)):𝑋⟶ℂ)
62034adantr 486 . . . . . . . . . . 11 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝑥 ∈ 𝑋)
621619, 620ffvelcdmd 7085 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥) ∈ ℂ)
622574, 607, 621mulassd 11332 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘(𝐽 − (𝑐‘𝑍))) · (∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)) = ((!‘(𝐽 − (𝑐‘𝑍))) · ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥))))
623606, 622eqtrd 2795 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍))))‘𝑥)) = ((!‘(𝐽 − (𝑐‘𝑍))) · ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥))))
624563, 623oveq12d 7438 . . . . . . 7 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((𝐽C(𝐽 − (𝑐‘𝑍))) · ((((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍))))‘𝑥))) = ((((!‘𝐽) / (!‘(𝑐‘𝑍))) / (!‘(𝐽 − (𝑐‘𝑍)))) · ((!‘(𝐽 − (𝑐‘𝑍))) · ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)))))
625548ad2antrr 739 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘𝐽) ∈ ℂ)
626553adantlr 728 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘(𝑐‘𝑍)) ∈ ℂ)
627558adantlr 728 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘(𝑐‘𝑍)) ≠ 0)
628625, 626, 627divcld 12093 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((!‘𝐽) / (!‘(𝑐‘𝑍))) ∈ ℂ)
629607, 621mulcld 11329 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)) ∈ ℂ)
630559adantlr 728 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (!‘(𝐽 − (𝑐‘𝑍))) ≠ 0)
631628, 574, 629, 630dmmcand 46329 . . . . . . 7 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((((!‘𝐽) / (!‘(𝑐‘𝑍))) / (!‘(𝐽 − (𝑐‘𝑍)))) · ((!‘(𝐽 − (𝑐‘𝑍))) · ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)))) = (((!‘𝐽) / (!‘(𝑐‘𝑍))) · ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥))))
632596, 621, 586, 600div23d 12130 . . . . . . . . . . 11 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) = ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)))
633632eqcomd 2766 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)) = ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))))
634 nfv 1946 . . . . . . . . . . . . 13 Ⅎ𝑡((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽))
635 nfcv 2922 . . . . . . . . . . . . 13 Ⅎ𝑡(((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)
636608adantlr 728 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝑍 ∈ 𝑇)
63711adantr 486 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ¬ 𝑍 ∈ 𝑅)
638 fveq2 6885 . . . . . . . . . . . . . . 15 (𝑡 = 𝑍 → (𝑐‘𝑡) = (𝑐‘𝑍))
639179, 638fveq12d 6892 . . . . . . . . . . . . . 14 (𝑡 = 𝑍 → ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)) = ((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍)))
640639fveq1d 6887 . . . . . . . . . . . . 13 (𝑡 = 𝑍 → (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) = (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥))
641634, 635, 587, 636, 637, 595, 640, 621fprodsplitsn 16156 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) = (∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)))
642641eqcomd 2766 . . . . . . . . . . 11 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)) = ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))
643642oveq1d 7435 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) = (∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))))
644633, 643eqtrd 2795 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥)) = (∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))))
645644oveq2d 7436 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘𝐽) / (!‘(𝑐‘𝑍))) · ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥))) = (((!‘𝐽) / (!‘(𝑐‘𝑍))) · (∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))))
646587, 368, 370sylancl 598 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝑅 ∪ {𝑍}) ∈ Fin)
647504adantr 486 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → 𝜑)
648347sselda 3908 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → 𝑡 ∈ 𝑇)
649648adantlr 728 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → 𝑡 ∈ 𝑇)
650510, 609fssd 6727 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → 𝑐:(𝑅 ∪ {𝑍})⟶(0...𝑁))
651650ffvelcdmda 7084 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → (𝑐‘𝑡) ∈ (0...𝑁))
652647, 649, 651, 146syl3anc 1398 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)):𝑋⟶ℂ)
653652adantllr 732 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → ((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡)):𝑋⟶ℂ)
654620adantr 486 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → 𝑥 ∈ 𝑋)
655653, 654ffvelcdmd 7085 . . . . . . . . . 10 ((((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) ∈ ℂ)
656646, 655fprodcl 16119 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) ∈ ℂ)
657625, 626, 656, 586, 627, 600divmuldivd 12134 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘𝐽) / (!‘(𝑐‘𝑍))) · (∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))) = (((!‘𝐽) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) / ((!‘(𝑐‘𝑍)) · ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))))
658553, 585mulcomd 11330 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((!‘(𝑐‘𝑍)) · ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) = (∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) · (!‘(𝑐‘𝑍))))
659 nfv 1946 . . . . . . . . . . . . . 14 Ⅎ𝑡(𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽))
660 nfcv 2922 . . . . . . . . . . . . . 14 Ⅎ𝑡(!‘(𝑐‘𝑍))
661504, 10syl 18 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ¬ 𝑍 ∈ 𝑅)
662638fveq2d 6889 . . . . . . . . . . . . . 14 (𝑡 = 𝑍 → (!‘(𝑐‘𝑡)) = (!‘(𝑐‘𝑍)))
663659, 660, 575, 608, 661, 584, 662, 553fprodsplitsn 16156 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡)) = (∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) · (!‘(𝑐‘𝑍))))
664663eqcomd 2766 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)) · (!‘(𝑐‘𝑍))) = ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡)))
665658, 664eqtrd 2795 . . . . . . . . . . 11 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((!‘(𝑐‘𝑍)) · ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) = ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡)))
666665oveq2d 7436 . . . . . . . . . 10 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘𝐽) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) / ((!‘(𝑐‘𝑍)) · ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))) = (((!‘𝐽) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))))
667666adantlr 728 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘𝐽) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) / ((!‘(𝑐‘𝑍)) · ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))) = (((!‘𝐽) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))))
668504, 371syl 18 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (𝑅 ∪ {𝑍}) ∈ Fin)
669576a1i 11 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → (0...𝐽) ⊆ ℕ0)
670510ffvelcdmda 7084 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → (𝑐‘𝑡) ∈ (0...𝐽))
671669, 670sseldd 3909 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → (𝑐‘𝑡) ∈ ℕ0)
672671faccld 14428 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → (!‘(𝑐‘𝑡)) ∈ ℕ)
673672nncnd 12351 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → (!‘(𝑐‘𝑡)) ∈ ℂ)
674668, 673fprodcl 16119 . . . . . . . . . . 11 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡)) ∈ ℂ)
675674adantlr 728 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡)) ∈ ℂ)
676672nnne0d 12388 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) ∧ 𝑡 ∈ (𝑅 ∪ {𝑍})) → (!‘(𝑐‘𝑡)) ≠ 0)
677668, 673, 676fprodn0 16146 . . . . . . . . . . 11 ((𝜑 ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡)) ≠ 0)
678677adantlr 728 . . . . . . . . . 10 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡)) ≠ 0)
679625, 656, 675, 678div23d 12130 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘𝐽) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) = (((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
680 eqidd 2761 . . . . . . . . 9 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) = (((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
681667, 679, 6803eqtrd 2799 . . . . . . . 8 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘𝐽) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)) / ((!‘(𝑐‘𝑍)) · ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡)))) = (((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
682645, 657, 6813eqtrd 2799 . . . . . . 7 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → (((!‘𝐽) / (!‘(𝑐‘𝑍))) · ((∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥) / ∏𝑡 ∈ 𝑅 (!‘(𝑐‘𝑡))) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝑐‘𝑍))‘𝑥))) = (((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
683624, 631, 6823eqtrd 2799 . . . . . 6 (((𝜑 ∧ 𝑥 ∈ 𝑋) ∧ 𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)) → ((𝐽C(𝐽 − (𝑐‘𝑍))) · ((((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍))))‘𝑥))) = (((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
684683sumeq2dv 15869 . . . . 5 ((𝜑 ∧ 𝑥 ∈ 𝑋) → Σ𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)((𝐽C(𝐽 − (𝑐‘𝑍))) · ((((!‘(𝐽 − (𝑐‘𝑍))) / ∏𝑡 ∈ 𝑅 (!‘((𝑐 ↾ 𝑅)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((𝑐 ↾ 𝑅)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (𝐽 − (𝑐‘𝑍))))‘𝑥))) = Σ𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)(((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
685503, 684eqtrd 2795 . . . 4 ((𝜑 ∧ 𝑥 ∈ 𝑋) → Σ𝑝 ∈ ∪ 𝑘 ∈ (0...𝐽)({𝑘} × ((𝐶‘𝑅)‘𝑘))((𝐽C(1st ‘𝑝)) · ((((!‘(1st ‘𝑝)) / ∏𝑡 ∈ 𝑅 (!‘((2nd ‘𝑝)‘𝑡))) · ∏𝑡 ∈ 𝑅 (((𝑆 D𝑛 (𝐻‘𝑡))‘((2nd ‘𝑝)‘𝑡))‘𝑥)) · (((𝑆 D𝑛 (𝐻‘𝑍))‘(𝐽 − (1st ‘𝑝)))‘𝑥))) = Σ𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)(((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
686294, 318, 6853eqtrd 2799 . . 3 ((𝜑 ∧ 𝑥 ∈ 𝑋) → Σ𝑘 ∈ (0...𝐽)((𝐽C𝑘) · ((((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘))‘𝑘)‘𝑥) · (((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘))‘(𝐽 − 𝑘))‘𝑥))) = Σ𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)(((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥)))
687686mpteq2dva 5197 . 2 (𝜑 → (𝑥 ∈ 𝑋 ↦ Σ𝑘 ∈ (0...𝐽)((𝐽C𝑘) · ((((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ∏𝑡 ∈ 𝑅 ((𝐻‘𝑡)‘𝑦)))‘𝑘))‘𝑘)‘𝑥) · (((𝑘 ∈ (0...𝐽) ↦ ((𝑆 D𝑛 (𝑦 ∈ 𝑋 ↦ ((𝐻‘𝑍)‘𝑦)))‘𝑘))‘(𝐽 − 𝑘))‘𝑥)))) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)(((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
68839, 209, 6873eqtrd 2799 1 (𝜑 → ((𝑆 D𝑛 (𝑥 ∈ 𝑋 ↦ ∏𝑡 ∈ (𝑅 ∪ {𝑍})((𝐻‘𝑡)‘𝑥)))‘𝐽) = (𝑥 ∈ 𝑋 ↦ Σ𝑐 ∈ ((𝐶‘(𝑅 ∪ {𝑍}))‘𝐽)(((!‘𝐽) / ∏𝑡 ∈ (𝑅 ∪ {𝑍})(!‘(𝑐‘𝑡))) · ∏𝑡 ∈ (𝑅 ∪ {𝑍})(((𝑆 D𝑛 (𝐻‘𝑡))‘(𝑐‘𝑡))‘𝑥))))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 401   ∧ w3a 1103   = wceq 1569   ∈ wcel 2144   ≠ wne 2955  ∀wral 3076  ∃wrex 3086  {crab 3412  Vcvv 3450   ⊆ wss 3895   ∖ cdif 4045   ∪ cun 4149  𝒫 cpw 4556  {csn 4583  {cpr 4585  ⟨cop 4589  ∪ ciun 4950   class class class wbr 5102   ↦ cmpt 5185   × cxp 5648   ↾ cres 5652  ⟶wf 6534  –1-1-onto→wf1o 6537  ‘cfv 6538  (class class class)co 7420  1st c1st 7999  2nd c2nd 8000   ↑m cmap 8847  Fincfn 8973  ℂcc 11198  ℝcr 11199  0cc0 11200   · cmul 11205   ≤ cle 11344   − cmin 11541   / cdiv 11973  ℕcn 12335  ℕ0cn0 12606  ℤcz 12693  ℤ≥cuz 12965  ...cfz 13639  !cfa 14417  Ccbc 14446  Σcsu 15853  ∏cprod 16072   ↾t crest 17591  TopOpenctopn 17592  ℂfldccnfld 21678   D𝑛 cdvn 26184
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-rep 5231  ax-sep 5248  ax-nul 5259  ax-pow 5326  ax-pr 5390  ax-un 7751  ax-inf2 9642  ax-cnex 11256  ax-resscn 11257  ax-1cn 11258  ax-icn 11259  ax-addcl 11260  ax-addrcl 11261  ax-mulcl 11262  ax-mulrcl 11263  ax-mulcom 11264  ax-addass 11265  ax-mulass 11266  ax-distr 11267  ax-i2m1 11268  ax-1ne0 11269  ax-1rid 11270  ax-rnegex 11271  ax-rrecex 11272  ax-cnre 11273  ax-pre-lttri 11274  ax-pre-lttrn 11275  ax-pre-ltadd 11276  ax-pre-mulgt0 11277  ax-pre-sup 11278  ax-addf 11279
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-nel 3062  df-ral 3077  df-rex 3087  df-rmo 3365  df-reu 3366  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3847  df-ss 3896  df-pss 4014  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4584  df-pr 4586  df-tp 4588  df-op 4590  df-uni 4867  df-int 4907  df-iun 4952  df-iin 4953  df-br 5103  df-opab 5167  df-mpt 5186  df-tr 5212  df-id 5545  df-eprel 5550  df-po 5558  df-so 5559  df-fr 5603  df-se 5604  df-we 5605  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  df-pred 6304  df-ord 6365  df-on 6366  df-lim 6367  df-suc 6368  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-fo 6544  df-f1o 6545  df-fv 6546  df-isom 6547  df-riota 7377  df-ov 7423  df-oprab 7424  df-mpo 7425  df-of 7693  df-om 7878  df-1st 8001  df-2nd 8002  df-supp 8178  df-frecs 8299  df-wrecs 8330  df-recs 8379  df-rdg 8418  df-1o 8476  df-2o 8477  df-er 8717  df-map 8849  df-pm 8850  df-ixp 8926  df-en 8974  df-dom 8975  df-sdom 8976  df-fin 8977  df-fsupp 9354  df-fi 9403  df-sup 9434  df-inf 9435  df-oi 9504  df-card 10020  df-pnf 11345  df-mnf 11346  df-xr 11347  df-ltxr 11348  df-le 11349  df-sub 11543  df-neg 11544  df-div 11974  df-nn 12336  df-2 12405  df-3 12406  df-4 12407  df-5 12408  df-6 12409  df-7 12410  df-8 12411  df-9 12412  df-n0 12607  df-z 12694  df-dec 12815  df-uz 12966  df-q 13076  df-rp 13121  df-xneg 13241  df-xadd 13242  df-xmul 13243  df-ico 13482  df-icc 13483  df-fz 13640  df-fzo 13789  df-seq 14145  df-exp 14205  df-fac 14418  df-bc 14447  df-hash 14475  df-cj 15266  df-re 15267  df-im 15268  df-sqrt 15402  df-abs 15403  df-clim 15655  df-sum 15854  df-prod 16073  df-struct 17325  df-sets 17342  df-slot 17360  df-ndx 17372  df-base 17388  df-ress 17409  df-plusg 17441  df-mulr 17442  df-starv 17443  df-sca 17444  df-vsca 17445  df-ip 17446  df-tset 17447  df-ple 17448  df-ds 17450  df-unif 17451  df-hom 17452  df-cco 17453  df-rest 17593  df-topn 17594  df-0g 17612  df-gsum 17613  df-topgen 17614  df-pt 17615  df-prds 17618  df-xrs 17674  df-qtop 17679  df-imas 17680  df-xps 17682  df-mre 17756  df-mrc 17757  df-acs 17759  df-mgm 18816  df-sgrp 18908  df-mnd 18924  df-submnd 18979  df-mulg 19278  df-cntz 19531  df-cmn 19996  df-psmet 21670  df-xmet 21671  df-met 21672  df-bl 21673  df-mopn 21674  df-fbas 21675  df-fg 21676  df-cnfld 21679  df-top 23212  df-topon 23229  df-topsp 23251  df-bases 23264  df-cld 23337  df-ntr 23338  df-cls 23339  df-nei 23416  df-lp 23454  df-perf 23455  df-cn 23545  df-cnp 23546  df-haus 23633  df-tx 23881  df-hmeo 24074  df-fil 24165  df-fm 24257  df-flim 24258  df-flf 24259  df-xms 24639  df-ms 24640  df-tms 24641  df-cncf 25199  df-limc 26186  df-dv 26187  df-dvn 26188
This theorem is used by:  dvnprodlem3  46958
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