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Theorem breprexplema 35026
Description: Lemma for breprexp 35029 (induction step for weighted sums over representations). (Contributed by Thierry Arnoux, 7-Dec-2021.)
Hypotheses
Ref Expression
breprexp.n (𝜑𝑁 ∈ ℕ0)
breprexp.s (𝜑𝑆 ∈ ℕ0)
breprexplema.m (𝜑𝑀 ∈ ℕ0)
breprexplema.1 (𝜑𝑀 ≤ ((𝑆 + 1) · 𝑁))
breprexplema.l (((𝜑𝑥 ∈ (0..^(𝑆 + 1))) ∧ 𝑦 ∈ ℕ) → ((𝐿𝑥)‘𝑦) ∈ ℂ)
Assertion
Ref Expression
breprexplema (𝜑 → Σ𝑑 ∈ ((1...𝑁)(repr‘(𝑆 + 1))𝑀)∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)) = Σ𝑏 ∈ (1...𝑁𝑑 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))(∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑑𝑎)) · ((𝐿𝑆)‘𝑏)))
Distinct variable groups:   𝑆,𝑎   𝐿,𝑎,𝑏,𝑑,𝑥,𝑦   𝑀,𝑎,𝑏,𝑑   𝑁,𝑎,𝑏,𝑑   𝑆,𝑏,𝑑,𝑥,𝑦   𝜑,𝑎,𝑏,𝑑,𝑥,𝑦
Allowed substitution hints:   𝑀(𝑥, 𝑦)   𝑁(𝑥, 𝑦)

Proof of Theorem breprexplema
Dummy variables 𝑐 𝑒 𝑣 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 fz1ssnn 13588 . . . . 5 (1...𝑁) ⊆ ℕ
21a1i 11 . . . 4 (𝜑 → (1...𝑁) ⊆ ℕ)
3 breprexplema.m . . . . 5 (𝜑𝑀 ∈ ℕ0)
43nn0zd 12620 . . . 4 (𝜑𝑀 ∈ ℤ)
5 breprexp.s . . . 4 (𝜑𝑆 ∈ ℕ0)
6 eqid 2763 . . . 4 (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})) = (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))
72, 4, 5, 6reprsuc 35011 . . 3 (𝜑 → ((1...𝑁)(repr‘(𝑆 + 1))𝑀) = 𝑏 ∈ (1...𝑁)ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})))
87sumeq1d 15756 . 2 (𝜑 → Σ𝑑 ∈ ((1...𝑁)(repr‘(𝑆 + 1))𝑀)∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)) = Σ𝑑 𝑏 ∈ (1...𝑁)ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)))
9 fzfid 14014 . . 3 (𝜑 → (1...𝑁) ∈ Fin)
101a1i 11 . . . . . 6 ((𝜑𝑏 ∈ (1...𝑁)) → (1...𝑁) ⊆ ℕ)
114adantr 485 . . . . . . 7 ((𝜑𝑏 ∈ (1...𝑁)) → 𝑀 ∈ ℤ)
12 fzssz 13558 . . . . . . . 8 (1...𝑁) ⊆ ℤ
13 simpr 489 . . . . . . . 8 ((𝜑𝑏 ∈ (1...𝑁)) → 𝑏 ∈ (1...𝑁))
1412, 13sselid 3935 . . . . . . 7 ((𝜑𝑏 ∈ (1...𝑁)) → 𝑏 ∈ ℤ)
1511, 14zsubcld 12709 . . . . . 6 ((𝜑𝑏 ∈ (1...𝑁)) → (𝑀𝑏) ∈ ℤ)
165adantr 485 . . . . . 6 ((𝜑𝑏 ∈ (1...𝑁)) → 𝑆 ∈ ℕ0)
179adantr 485 . . . . . 6 ((𝜑𝑏 ∈ (1...𝑁)) → (1...𝑁) ∈ Fin)
1810, 15, 16, 17reprfi 35012 . . . . 5 ((𝜑𝑏 ∈ (1...𝑁)) → ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ∈ Fin)
19 mptfi 9304 . . . . 5 (((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ∈ Fin → (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})) ∈ Fin)
2018, 19syl 18 . . . 4 ((𝜑𝑏 ∈ (1...𝑁)) → (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})) ∈ Fin)
21 rnfi 9293 . . . 4 ((𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})) ∈ Fin → ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})) ∈ Fin)
2220, 21syl 18 . . 3 ((𝜑𝑏 ∈ (1...𝑁)) → ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})) ∈ Fin)
2310, 15, 16reprval 35006 . . . . 5 ((𝜑𝑏 ∈ (1...𝑁)) → ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) = {𝑐 ∈ ((1...𝑁) ↑m (0..^𝑆)) ∣ Σ𝑎 ∈ (0..^𝑆)(𝑐𝑎) = (𝑀𝑏)})
24 ssrab2 4034 . . . . 5 {𝑐 ∈ ((1...𝑁) ↑m (0..^𝑆)) ∣ Σ𝑎 ∈ (0..^𝑆)(𝑐𝑎) = (𝑀𝑏)} ⊆ ((1...𝑁) ↑m (0..^𝑆))
2523, 24eqsstrdi 3981 . . . 4 ((𝜑𝑏 ∈ (1...𝑁)) → ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ⊆ ((1...𝑁) ↑m (0..^𝑆)))
269elexd 3478 . . . 4 (𝜑 → (1...𝑁) ∈ V)
27 fzonel 13707 . . . . 5 ¬ 𝑆 ∈ (0..^𝑆)
2827a1i 11 . . . 4 (𝜑 → ¬ 𝑆 ∈ (0..^𝑆))
2925, 26, 5, 28, 6actfunsnrndisj 35001 . . 3 (𝜑Disj 𝑏 ∈ (1...𝑁)ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})))
30 fzofi 14015 . . . . . 6 (0..^(𝑆 + 1)) ∈ Fin
3130a1i 11 . . . . 5 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) → (0..^(𝑆 + 1)) ∈ Fin)
32 breprexplema.l . . . . . . . . 9 (((𝜑𝑥 ∈ (0..^(𝑆 + 1))) ∧ 𝑦 ∈ ℕ) → ((𝐿𝑥)‘𝑦) ∈ ℂ)
3332ralrimiva 3157 . . . . . . . 8 ((𝜑𝑥 ∈ (0..^(𝑆 + 1))) → ∀𝑦 ∈ ℕ ((𝐿𝑥)‘𝑦) ∈ ℂ)
3433ralrimiva 3157 . . . . . . 7 (𝜑 → ∀𝑥 ∈ (0..^(𝑆 + 1))∀𝑦 ∈ ℕ ((𝐿𝑥)‘𝑦) ∈ ℂ)
3534ad3antrrr 742 . . . . . 6 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑎 ∈ (0..^(𝑆 + 1))) → ∀𝑥 ∈ (0..^(𝑆 + 1))∀𝑦 ∈ ℕ ((𝐿𝑥)‘𝑦) ∈ ℂ)
36 simpr 489 . . . . . . 7 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑎 ∈ (0..^(𝑆 + 1))) → 𝑎 ∈ (0..^(𝑆 + 1)))
37 nfv 1944 . . . . . . . . . . . 12 𝑣(𝜑𝑏 ∈ (1...𝑁))
38 nfcv 2925 . . . . . . . . . . . . 13 𝑣𝑑
39 nfmpt1 5210 . . . . . . . . . . . . . 14 𝑣(𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))
4039nfrn 5942 . . . . . . . . . . . . 13 𝑣ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))
4138, 40nfel 2939 . . . . . . . . . . . 12 𝑣 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))
4237, 41nfan 1929 . . . . . . . . . . 11 𝑣((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})))
431a1i 11 . . . . . . . . . . . . . 14 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → (1...𝑁) ⊆ ℕ)
4415ad3antrrr 742 . . . . . . . . . . . . . 14 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → (𝑀𝑏) ∈ ℤ)
4516ad3antrrr 742 . . . . . . . . . . . . . 14 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → 𝑆 ∈ ℕ0)
46 simplr 780 . . . . . . . . . . . . . 14 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)))
4743, 44, 45, 46reprf 35008 . . . . . . . . . . . . 13 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → 𝑣:(0..^𝑆)⟶(1...𝑁))
4813ad3antrrr 742 . . . . . . . . . . . . . 14 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → 𝑏 ∈ (1...𝑁))
4945, 48fsnd 6865 . . . . . . . . . . . . 13 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → {⟨𝑆, 𝑏⟩}:{𝑆}⟶(1...𝑁))
50 fzodisjsn 13731 . . . . . . . . . . . . . 14 ((0..^𝑆) ∩ {𝑆}) = ∅
5150a1i 11 . . . . . . . . . . . . 13 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → ((0..^𝑆) ∩ {𝑆}) = ∅)
52 fun2 6741 . . . . . . . . . . . . 13 (((𝑣:(0..^𝑆)⟶(1...𝑁) ∧ {⟨𝑆, 𝑏⟩}:{𝑆}⟶(1...𝑁)) ∧ ((0..^𝑆) ∩ {𝑆}) = ∅) → (𝑣 ∪ {⟨𝑆, 𝑏⟩}):((0..^𝑆) ∪ {𝑆})⟶(1...𝑁))
5347, 49, 51, 52syl21anc 850 . . . . . . . . . . . 12 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → (𝑣 ∪ {⟨𝑆, 𝑏⟩}):((0..^𝑆) ∪ {𝑆})⟶(1...𝑁))
54 simpr 489 . . . . . . . . . . . . 13 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩}))
55 nn0uz 12904 . . . . . . . . . . . . . . . 16 0 = (ℤ‘0)
565, 55eleqtrdi 2873 . . . . . . . . . . . . . . 15 (𝜑𝑆 ∈ (ℤ‘0))
57 fzosplitsn 13810 . . . . . . . . . . . . . . 15 (𝑆 ∈ (ℤ‘0) → (0..^(𝑆 + 1)) = ((0..^𝑆) ∪ {𝑆}))
5856, 57syl 18 . . . . . . . . . . . . . 14 (𝜑 → (0..^(𝑆 + 1)) = ((0..^𝑆) ∪ {𝑆}))
5958ad4antr 744 . . . . . . . . . . . . 13 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → (0..^(𝑆 + 1)) = ((0..^𝑆) ∪ {𝑆}))
6054, 59feq12d 6693 . . . . . . . . . . . 12 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → (𝑑:(0..^(𝑆 + 1))⟶(1...𝑁) ↔ (𝑣 ∪ {⟨𝑆, 𝑏⟩}):((0..^𝑆) ∪ {𝑆})⟶(1...𝑁)))
6153, 60mpbird 260 . . . . . . . . . . 11 (((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩})) → 𝑑:(0..^(𝑆 + 1))⟶(1...𝑁))
62 vex 3459 . . . . . . . . . . . . . 14 𝑣 ∈ V
63 snex 5410 . . . . . . . . . . . . . 14 {⟨𝑆, 𝑏⟩} ∈ V
6462, 63unex 7742 . . . . . . . . . . . . 13 (𝑣 ∪ {⟨𝑆, 𝑏⟩}) ∈ V
656, 64elrnmpti 5952 . . . . . . . . . . . 12 (𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})) ↔ ∃𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩}))
6665bilani 509 . . . . . . . . . . 11 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) → ∃𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))𝑑 = (𝑣 ∪ {⟨𝑆, 𝑏⟩}))
6742, 61, 66r19.29af 3274 . . . . . . . . . 10 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) → 𝑑:(0..^(𝑆 + 1))⟶(1...𝑁))
6867adantr 485 . . . . . . . . 9 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑎 ∈ (0..^(𝑆 + 1))) → 𝑑:(0..^(𝑆 + 1))⟶(1...𝑁))
6968, 36ffvelcdmd 7080 . . . . . . . 8 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑎 ∈ (0..^(𝑆 + 1))) → (𝑑𝑎) ∈ (1...𝑁))
701, 69sselid 3935 . . . . . . 7 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑎 ∈ (0..^(𝑆 + 1))) → (𝑑𝑎) ∈ ℕ)
71 fveq2 6881 . . . . . . . . . 10 (𝑥 = 𝑎 → (𝐿𝑥) = (𝐿𝑎))
7271fveq1d 6883 . . . . . . . . 9 (𝑥 = 𝑎 → ((𝐿𝑥)‘𝑦) = ((𝐿𝑎)‘𝑦))
7372eleq1d 2848 . . . . . . . 8 (𝑥 = 𝑎 → (((𝐿𝑥)‘𝑦) ∈ ℂ ↔ ((𝐿𝑎)‘𝑦) ∈ ℂ))
74 fveq2 6881 . . . . . . . . 9 (𝑦 = (𝑑𝑎) → ((𝐿𝑎)‘𝑦) = ((𝐿𝑎)‘(𝑑𝑎)))
7574eleq1d 2848 . . . . . . . 8 (𝑦 = (𝑑𝑎) → (((𝐿𝑎)‘𝑦) ∈ ℂ ↔ ((𝐿𝑎)‘(𝑑𝑎)) ∈ ℂ))
7673, 75rspc2v 3592 . . . . . . 7 ((𝑎 ∈ (0..^(𝑆 + 1)) ∧ (𝑑𝑎) ∈ ℕ) → (∀𝑥 ∈ (0..^(𝑆 + 1))∀𝑦 ∈ ℕ ((𝐿𝑥)‘𝑦) ∈ ℂ → ((𝐿𝑎)‘(𝑑𝑎)) ∈ ℂ))
7736, 70, 76syl2anc 595 . . . . . 6 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑎 ∈ (0..^(𝑆 + 1))) → (∀𝑥 ∈ (0..^(𝑆 + 1))∀𝑦 ∈ ℕ ((𝐿𝑥)‘𝑦) ∈ ℂ → ((𝐿𝑎)‘(𝑑𝑎)) ∈ ℂ))
7835, 77mpd 16 . . . . 5 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) ∧ 𝑎 ∈ (0..^(𝑆 + 1))) → ((𝐿𝑎)‘(𝑑𝑎)) ∈ ℂ)
7931, 78fprodcl 16011 . . . 4 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))) → ∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)) ∈ ℂ)
8079anasss 471 . . 3 ((𝜑 ∧ (𝑏 ∈ (1...𝑁) ∧ 𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})))) → ∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)) ∈ ℂ)
819, 22, 29, 80fsumiun 15878 . 2 (𝜑 → Σ𝑑 𝑏 ∈ (1...𝑁)ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)) = Σ𝑏 ∈ (1...𝑁𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)))
8258ad2antrr 738 . . . . . . 7 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → (0..^(𝑆 + 1)) = ((0..^𝑆) ∪ {𝑆}))
8382prodeq1d 15979 . . . . . 6 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)) = ∏𝑎 ∈ ((0..^𝑆) ∪ {𝑆})((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)))
84 nfv 1944 . . . . . . 7 𝑎((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)))
85 nfcv 2925 . . . . . . 7 𝑎((𝐿𝑆)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑆))
86 fzofi 14015 . . . . . . . 8 (0..^𝑆) ∈ Fin
8786a1i 11 . . . . . . 7 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → (0..^𝑆) ∈ Fin)
8816adantr 485 . . . . . . 7 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → 𝑆 ∈ ℕ0)
8927a1i 11 . . . . . . 7 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ¬ 𝑆 ∈ (0..^𝑆))
901a1i 11 . . . . . . . . . . . . 13 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → (1...𝑁) ⊆ ℕ)
9115adantr 485 . . . . . . . . . . . . 13 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → (𝑀𝑏) ∈ ℤ)
92 simpr 489 . . . . . . . . . . . . 13 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)))
9390, 91, 88, 92reprf 35008 . . . . . . . . . . . 12 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → 𝑒:(0..^𝑆)⟶(1...𝑁))
9493ffnd 6706 . . . . . . . . . . 11 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → 𝑒 Fn (0..^𝑆))
9594adantr 485 . . . . . . . . . 10 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → 𝑒 Fn (0..^𝑆))
9613adantr 485 . . . . . . . . . . . 12 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → 𝑏 ∈ (1...𝑁))
97 fnsng 6588 . . . . . . . . . . . 12 ((𝑆 ∈ ℕ0𝑏 ∈ (1...𝑁)) → {⟨𝑆, 𝑏⟩} Fn {𝑆})
9888, 96, 97syl2anc 595 . . . . . . . . . . 11 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → {⟨𝑆, 𝑏⟩} Fn {𝑆})
9998adantr 485 . . . . . . . . . 10 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → {⟨𝑆, 𝑏⟩} Fn {𝑆})
10050a1i 11 . . . . . . . . . 10 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → ((0..^𝑆) ∩ {𝑆}) = ∅)
101 simpr 489 . . . . . . . . . 10 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → 𝑎 ∈ (0..^𝑆))
102 fvun1 6972 . . . . . . . . . 10 ((𝑒 Fn (0..^𝑆) ∧ {⟨𝑆, 𝑏⟩} Fn {𝑆} ∧ (((0..^𝑆) ∩ {𝑆}) = ∅ ∧ 𝑎 ∈ (0..^𝑆))) → ((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎) = (𝑒𝑎))
10395, 99, 100, 101, 102syl112anc 1401 . . . . . . . . 9 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → ((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎) = (𝑒𝑎))
104103fveq2d 6885 . . . . . . . 8 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → ((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)) = ((𝐿𝑎)‘(𝑒𝑎)))
10534ad2antrr 738 . . . . . . . . . 10 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ∀𝑥 ∈ (0..^(𝑆 + 1))∀𝑦 ∈ ℕ ((𝐿𝑥)‘𝑦) ∈ ℂ)
106105adantr 485 . . . . . . . . 9 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → ∀𝑥 ∈ (0..^(𝑆 + 1))∀𝑦 ∈ ℕ ((𝐿𝑥)‘𝑦) ∈ ℂ)
107 fzossfzop1 13777 . . . . . . . . . . . . 13 (𝑆 ∈ ℕ0 → (0..^𝑆) ⊆ (0..^(𝑆 + 1)))
1085, 107syl 18 . . . . . . . . . . . 12 (𝜑 → (0..^𝑆) ⊆ (0..^(𝑆 + 1)))
109108ad2antrr 738 . . . . . . . . . . 11 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → (0..^𝑆) ⊆ (0..^(𝑆 + 1)))
110109sselda 3937 . . . . . . . . . 10 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → 𝑎 ∈ (0..^(𝑆 + 1)))
11193ffvelcdmda 7079 . . . . . . . . . . 11 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → (𝑒𝑎) ∈ (1...𝑁))
1121, 111sselid 3935 . . . . . . . . . 10 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → (𝑒𝑎) ∈ ℕ)
113 fveq2 6881 . . . . . . . . . . . 12 (𝑦 = (𝑒𝑎) → ((𝐿𝑎)‘𝑦) = ((𝐿𝑎)‘(𝑒𝑎)))
114113eleq1d 2848 . . . . . . . . . . 11 (𝑦 = (𝑒𝑎) → (((𝐿𝑎)‘𝑦) ∈ ℂ ↔ ((𝐿𝑎)‘(𝑒𝑎)) ∈ ℂ))
11573, 114rspc2v 3592 . . . . . . . . . 10 ((𝑎 ∈ (0..^(𝑆 + 1)) ∧ (𝑒𝑎) ∈ ℕ) → (∀𝑥 ∈ (0..^(𝑆 + 1))∀𝑦 ∈ ℕ ((𝐿𝑥)‘𝑦) ∈ ℂ → ((𝐿𝑎)‘(𝑒𝑎)) ∈ ℂ))
116110, 112, 115syl2anc 595 . . . . . . . . 9 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → (∀𝑥 ∈ (0..^(𝑆 + 1))∀𝑦 ∈ ℕ ((𝐿𝑥)‘𝑦) ∈ ℂ → ((𝐿𝑎)‘(𝑒𝑎)) ∈ ℂ))
117106, 116mpd 16 . . . . . . . 8 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → ((𝐿𝑎)‘(𝑒𝑎)) ∈ ℂ)
118104, 117eqeltrd 2863 . . . . . . 7 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑎 ∈ (0..^𝑆)) → ((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)) ∈ ℂ)
119 fveq2 6881 . . . . . . . 8 (𝑎 = 𝑆 → (𝐿𝑎) = (𝐿𝑆))
120 fveq2 6881 . . . . . . . 8 (𝑎 = 𝑆 → ((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎) = ((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑆))
121119, 120fveq12d 6888 . . . . . . 7 (𝑎 = 𝑆 → ((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)) = ((𝐿𝑆)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑆)))
12250a1i 11 . . . . . . . . . . 11 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ((0..^𝑆) ∩ {𝑆}) = ∅)
123 snidg 4626 . . . . . . . . . . . 12 (𝑆 ∈ ℕ0𝑆 ∈ {𝑆})
12488, 123syl 18 . . . . . . . . . . 11 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → 𝑆 ∈ {𝑆})
125 fvun2 6973 . . . . . . . . . . 11 ((𝑒 Fn (0..^𝑆) ∧ {⟨𝑆, 𝑏⟩} Fn {𝑆} ∧ (((0..^𝑆) ∩ {𝑆}) = ∅ ∧ 𝑆 ∈ {𝑆})) → ((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑆) = ({⟨𝑆, 𝑏⟩}‘𝑆))
12694, 98, 122, 124, 125syl112anc 1401 . . . . . . . . . 10 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑆) = ({⟨𝑆, 𝑏⟩}‘𝑆))
127 fvsng 7178 . . . . . . . . . . 11 ((𝑆 ∈ ℕ0𝑏 ∈ (1...𝑁)) → ({⟨𝑆, 𝑏⟩}‘𝑆) = 𝑏)
12888, 96, 127syl2anc 595 . . . . . . . . . 10 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ({⟨𝑆, 𝑏⟩}‘𝑆) = 𝑏)
129126, 128eqtrd 2798 . . . . . . . . 9 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑆) = 𝑏)
130129fveq2d 6885 . . . . . . . 8 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ((𝐿𝑆)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑆)) = ((𝐿𝑆)‘𝑏))
131 fzonn0p1 13776 . . . . . . . . . . . 12 (𝑆 ∈ ℕ0𝑆 ∈ (0..^(𝑆 + 1)))
1325, 131syl 18 . . . . . . . . . . 11 (𝜑𝑆 ∈ (0..^(𝑆 + 1)))
133132ad2antrr 738 . . . . . . . . . 10 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → 𝑆 ∈ (0..^(𝑆 + 1)))
1341, 96sselid 3935 . . . . . . . . . 10 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → 𝑏 ∈ ℕ)
135 fveq2 6881 . . . . . . . . . . . . 13 (𝑥 = 𝑆 → (𝐿𝑥) = (𝐿𝑆))
136135fveq1d 6883 . . . . . . . . . . . 12 (𝑥 = 𝑆 → ((𝐿𝑥)‘𝑦) = ((𝐿𝑆)‘𝑦))
137136eleq1d 2848 . . . . . . . . . . 11 (𝑥 = 𝑆 → (((𝐿𝑥)‘𝑦) ∈ ℂ ↔ ((𝐿𝑆)‘𝑦) ∈ ℂ))
138 fveq2 6881 . . . . . . . . . . . 12 (𝑦 = 𝑏 → ((𝐿𝑆)‘𝑦) = ((𝐿𝑆)‘𝑏))
139138eleq1d 2848 . . . . . . . . . . 11 (𝑦 = 𝑏 → (((𝐿𝑆)‘𝑦) ∈ ℂ ↔ ((𝐿𝑆)‘𝑏) ∈ ℂ))
140137, 139rspc2v 3592 . . . . . . . . . 10 ((𝑆 ∈ (0..^(𝑆 + 1)) ∧ 𝑏 ∈ ℕ) → (∀𝑥 ∈ (0..^(𝑆 + 1))∀𝑦 ∈ ℕ ((𝐿𝑥)‘𝑦) ∈ ℂ → ((𝐿𝑆)‘𝑏) ∈ ℂ))
141133, 134, 140syl2anc 595 . . . . . . . . 9 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → (∀𝑥 ∈ (0..^(𝑆 + 1))∀𝑦 ∈ ℕ ((𝐿𝑥)‘𝑦) ∈ ℂ → ((𝐿𝑆)‘𝑏) ∈ ℂ))
142105, 141mpd 16 . . . . . . . 8 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ((𝐿𝑆)‘𝑏) ∈ ℂ)
143130, 142eqeltrd 2863 . . . . . . 7 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ((𝐿𝑆)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑆)) ∈ ℂ)
14484, 85, 87, 88, 89, 118, 121, 143fprodsplitsn 16048 . . . . . 6 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ∏𝑎 ∈ ((0..^𝑆) ∪ {𝑆})((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)) = (∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)) · ((𝐿𝑆)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑆))))
145104prodeq2dv 15981 . . . . . . 7 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)) = ∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑒𝑎)))
146145, 130oveq12d 7428 . . . . . 6 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → (∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)) · ((𝐿𝑆)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑆))) = (∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑒𝑎)) · ((𝐿𝑆)‘𝑏)))
14783, 144, 1463eqtrd 2802 . . . . 5 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)) = (∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑒𝑎)) · ((𝐿𝑆)‘𝑏)))
148147sumeq2dv 15758 . . . 4 ((𝜑𝑏 ∈ (1...𝑁)) → Σ𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)) = Σ𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))(∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑒𝑎)) · ((𝐿𝑆)‘𝑏)))
149 simpl 487 . . . . . . . 8 ((𝑑 = (𝑒 ∪ {⟨𝑆, 𝑏⟩}) ∧ 𝑎 ∈ (0..^(𝑆 + 1))) → 𝑑 = (𝑒 ∪ {⟨𝑆, 𝑏⟩}))
150149fveq1d 6883 . . . . . . 7 ((𝑑 = (𝑒 ∪ {⟨𝑆, 𝑏⟩}) ∧ 𝑎 ∈ (0..^(𝑆 + 1))) → (𝑑𝑎) = ((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎))
151150fveq2d 6885 . . . . . 6 ((𝑑 = (𝑒 ∪ {⟨𝑆, 𝑏⟩}) ∧ 𝑎 ∈ (0..^(𝑆 + 1))) → ((𝐿𝑎)‘(𝑑𝑎)) = ((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)))
152151prodeq2dv 15981 . . . . 5 (𝑑 = (𝑒 ∪ {⟨𝑆, 𝑏⟩}) → ∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)) = ∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)))
15325, 26, 5, 28, 6actfunsnf1o 35000 . . . . 5 ((𝜑𝑏 ∈ (1...𝑁)) → (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})):((1...𝑁)(repr‘𝑆)(𝑀𝑏))–1-1-onto→ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})))
1546a1i 11 . . . . . 6 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})) = (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩})))
155 simpr 489 . . . . . . 7 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑣 = 𝑒) → 𝑣 = 𝑒)
156155uneq1d 4121 . . . . . 6 ((((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) ∧ 𝑣 = 𝑒) → (𝑣 ∪ {⟨𝑆, 𝑏⟩}) = (𝑒 ∪ {⟨𝑆, 𝑏⟩}))
157 vex 3459 . . . . . . . 8 𝑒 ∈ V
158157, 63unex 7742 . . . . . . 7 (𝑒 ∪ {⟨𝑆, 𝑏⟩}) ∈ V
159158a1i 11 . . . . . 6 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → (𝑒 ∪ {⟨𝑆, 𝑏⟩}) ∈ V)
160154, 156, 92, 159fvmptd 6997 . . . . 5 (((𝜑𝑏 ∈ (1...𝑁)) ∧ 𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))) → ((𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))‘𝑒) = (𝑒 ∪ {⟨𝑆, 𝑏⟩}))
161152, 18, 153, 160, 79fsumf1o 15779 . . . 4 ((𝜑𝑏 ∈ (1...𝑁)) → Σ𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)) = Σ𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘((𝑒 ∪ {⟨𝑆, 𝑏⟩})‘𝑎)))
162 simpl 487 . . . . . . . . . 10 ((𝑑 = 𝑒𝑎 ∈ (0..^𝑆)) → 𝑑 = 𝑒)
163162fveq1d 6883 . . . . . . . . 9 ((𝑑 = 𝑒𝑎 ∈ (0..^𝑆)) → (𝑑𝑎) = (𝑒𝑎))
164163fveq2d 6885 . . . . . . . 8 ((𝑑 = 𝑒𝑎 ∈ (0..^𝑆)) → ((𝐿𝑎)‘(𝑑𝑎)) = ((𝐿𝑎)‘(𝑒𝑎)))
165164prodeq2dv 15981 . . . . . . 7 (𝑑 = 𝑒 → ∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑑𝑎)) = ∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑒𝑎)))
166165oveq1d 7425 . . . . . 6 (𝑑 = 𝑒 → (∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑑𝑎)) · ((𝐿𝑆)‘𝑏)) = (∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑒𝑎)) · ((𝐿𝑆)‘𝑏)))
167166cbvsumv 15752 . . . . 5 Σ𝑑 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))(∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑑𝑎)) · ((𝐿𝑆)‘𝑏)) = Σ𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))(∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑒𝑎)) · ((𝐿𝑆)‘𝑏))
168167a1i 11 . . . 4 ((𝜑𝑏 ∈ (1...𝑁)) → Σ𝑑 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))(∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑑𝑎)) · ((𝐿𝑆)‘𝑏)) = Σ𝑒 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))(∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑒𝑎)) · ((𝐿𝑆)‘𝑏)))
169148, 161, 1683eqtr4d 2808 . . 3 ((𝜑𝑏 ∈ (1...𝑁)) → Σ𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)) = Σ𝑑 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))(∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑑𝑎)) · ((𝐿𝑆)‘𝑏)))
170169sumeq2dv 15758 . 2 (𝜑 → Σ𝑏 ∈ (1...𝑁𝑑 ∈ ran (𝑣 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏)) ↦ (𝑣 ∪ {⟨𝑆, 𝑏⟩}))∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)) = Σ𝑏 ∈ (1...𝑁𝑑 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))(∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑑𝑎)) · ((𝐿𝑆)‘𝑏)))
1718, 81, 1703eqtrd 2802 1 (𝜑 → Σ𝑑 ∈ ((1...𝑁)(repr‘(𝑆 + 1))𝑀)∏𝑎 ∈ (0..^(𝑆 + 1))((𝐿𝑎)‘(𝑑𝑎)) = Σ𝑏 ∈ (1...𝑁𝑑 ∈ ((1...𝑁)(repr‘𝑆)(𝑀𝑏))(∏𝑎 ∈ (0..^𝑆)((𝐿𝑎)‘(𝑑𝑎)) · ((𝐿𝑆)‘𝑏)))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3  wi 4  wa 400   = wceq 1570  wcel 2143  wral 3079  wrex 3089  {crab 3416  Vcvv 3455  cun 3903  cin 3904  wss 3905  c0 4286  {csn 4589  cop 4595   ciun 4956   class class class wbr 5109  cmpt 5192  ran crn 5662   Fn wfn 6531  wf 6532  cfv 6536  (class class class)co 7410  m cmap 8820  Fincfn 8939  cc 11102  0cc0 11104  1c1 11105   + caddc 11107   · cmul 11109  cle 11248  cmin 11445  cn 12237  0cn0 12508  cz 12595  cuz 12866  ...cfz 13539  ..^cfzo 13687  Σcsu 15742  cprod 15962  reprcrepr 35004
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-10 2176  ax-11 2192  ax-12 2213  ax-ext 2735  ax-rep 5238  ax-sep 5257  ax-nul 5269  ax-pow 5336  ax-pr 5404  ax-un 7732  ax-inf2 9606  ax-cnex 11160  ax-resscn 11161  ax-1cn 11162  ax-icn 11163  ax-addcl 11164  ax-addrcl 11165  ax-mulcl 11166  ax-mulrcl 11167  ax-mulcom 11168  ax-addass 11169  ax-mulass 11170  ax-distr 11171  ax-i2m1 11172  ax-1ne0 11173  ax-1rid 11174  ax-rnegex 11175  ax-rrecex 11176  ax-cnre 11177  ax-pre-lttri 11178  ax-pre-lttrn 11179  ax-pre-ltadd 11180  ax-pre-mulgt0 11181  ax-pre-sup 11182
This proof depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-nf 1814  df-sb 2097  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-nfc 2912  df-ne 2959  df-nel 3065  df-ral 3080  df-rex 3090  df-rmo 3369  df-reu 3370  df-rab 3417  df-v 3457  df-sbc 3745  df-csb 3854  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-pss 3925  df-nul 4287  df-if 4488  df-pw 4564  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4873  df-int 4913  df-iun 4958  df-disj 5077  df-br 5110  df-opab 5174  df-mpt 5193  df-tr 5219  df-id 5556  df-eprel 5561  df-po 5569  df-so 5570  df-fr 5614  df-se 5615  df-we 5616  df-xp 5667  df-rel 5668  df-cnv 5669  df-co 5670  df-dm 5671  df-rn 5672  df-res 5673  df-ima 5674  df-pred 6302  df-ord 6363  df-on 6364  df-lim 6365  df-suc 6366  df-iota 6492  df-fun 6538  df-fn 6539  df-f 6540  df-f1 6541  df-fo 6542  df-f1o 6543  df-fv 6544  df-isom 6545  df-riota 7367  df-ov 7413  df-oprab 7414  df-mpo 7415  df-om 7859  df-1st 7982  df-2nd 7983  df-frecs 8274  df-wrecs 8305  df-recs 8354  df-rdg 8393  df-1o 8449  df-er 8690  df-map 8822  df-pm 8823  df-en 8940  df-dom 8941  df-sdom 8942  df-fin 8943  df-sup 9398  df-oi 9468  df-card 9930  df-pnf 11249  df-mnf 11250  df-xr 11251  df-ltxr 11252  df-le 11253  df-sub 11447  df-neg 11448  df-div 11876  df-nn 12238  df-2 12307  df-3 12308  df-n0 12509  df-z 12596  df-uz 12867  df-rp 13021  df-fz 13540  df-fzo 13688  df-seq 14043  df-exp 14103  df-hash 14372  df-cj 15155  df-re 15156  df-im 15157  df-sqrt 15291  df-abs 15292  df-clim 15544  df-sum 15743  df-prod 15963  df-repr 35005
This theorem is used by:  breprexplemc  35028
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