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Theorem sdclem2 32598
Description: Lemma for sdc 32600. (Contributed by Jeff Madsen, 2-Sep-2009.)
Hypotheses
Ref Expression
sdc.1 𝑍 = (ℤ𝑀)
sdc.2 (𝑔 = (𝑓 ↾ (𝑀...𝑛)) → (𝜓𝜒))
sdc.3 (𝑛 = 𝑀 → (𝜓𝜏))
sdc.4 (𝑛 = 𝑘 → (𝜓𝜃))
sdc.5 ((𝑔 = 𝑛 = (𝑘 + 1)) → (𝜓𝜎))
sdc.6 (𝜑𝐴𝑉)
sdc.7 (𝜑𝑀 ∈ ℤ)
sdc.8 (𝜑 → ∃𝑔(𝑔:{𝑀}⟶𝐴𝜏))
sdc.9 ((𝜑𝑘𝑍) → ((𝑔:(𝑀...𝑘)⟶𝐴𝜃) → ∃(:(𝑀...(𝑘 + 1))⟶𝐴𝑔 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)))
sdc.10 𝐽 = {𝑔 ∣ ∃𝑛𝑍 (𝑔:(𝑀...𝑛)⟶𝐴𝜓)}
sdc.11 𝐹 = (𝑤𝑍, 𝑥𝐽 ↦ { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)})
sdc.12 𝑘𝜑
sdc.13 (𝜑𝐺:𝑍𝐽)
sdc.14 (𝜑 → (𝐺𝑀):(𝑀...𝑀)⟶𝐴)
sdc.15 ((𝜑𝑤𝑍) → (𝐺‘(𝑤 + 1)) ∈ (𝑤𝐹(𝐺𝑤)))
Assertion
Ref Expression
sdclem2 (𝜑 → ∃𝑓(𝑓:𝑍𝐴 ∧ ∀𝑛𝑍 𝜒))
Distinct variable groups:   𝑓,𝑔,,𝑘,𝑛,𝑤,𝑥,𝐴   ,𝐽,𝑘,𝑤,𝑥   𝑓,𝑀,𝑔,,𝑘,𝑛,𝑤,𝑥   𝜒,𝑔   𝑛,𝐹,𝑤,𝑥   𝜓,𝑓,,𝑘,𝑥   𝜎,𝑓,𝑔,𝑛,𝑥   𝑓,𝐺,𝑔,,𝑘,𝑛,𝑤,𝑥   𝜑,𝑛,𝑤,𝑥   𝜃,𝑛,𝑤,𝑥   ,𝑉   𝜏,,𝑘,𝑛,𝑤,𝑥   𝑓,𝑍,𝑔,,𝑘,𝑛,𝑤,𝑥
Allowed substitution hints:   𝜑(𝑓,𝑔,,𝑘)   𝜓(𝑤,𝑔,𝑛)   𝜒(𝑥,𝑤,𝑓,,𝑘,𝑛)   𝜃(𝑓,𝑔,,𝑘)   𝜏(𝑓,𝑔)   𝜎(𝑤,,𝑘)   𝐹(𝑓,𝑔,,𝑘)   𝐽(𝑓,𝑔,𝑛)   𝑉(𝑥,𝑤,𝑓,𝑔,𝑘,𝑛)

Proof of Theorem sdclem2
Dummy variable 𝑚 is distinct from all other variables.
StepHypRef Expression
1 sdc.12 . . 3 𝑘𝜑
2 sdc.13 . . . . . . . 8 (𝜑𝐺:𝑍𝐽)
32ffvelrnda 6150 . . . . . . 7 ((𝜑𝑘𝑍) → (𝐺𝑘) ∈ 𝐽)
4 sdc.10 . . . . . . . . 9 𝐽 = {𝑔 ∣ ∃𝑛𝑍 (𝑔:(𝑀...𝑛)⟶𝐴𝜓)}
54eleq2i 2584 . . . . . . . 8 ((𝐺𝑘) ∈ 𝐽 ↔ (𝐺𝑘) ∈ {𝑔 ∣ ∃𝑛𝑍 (𝑔:(𝑀...𝑛)⟶𝐴𝜓)})
6 nfcv 2655 . . . . . . . . . 10 𝑔𝑍
7 nfv 1796 . . . . . . . . . . 11 𝑔(𝐺𝑘):(𝑀...𝑛)⟶𝐴
8 nfsbc1v 3326 . . . . . . . . . . 11 𝑔[(𝐺𝑘) / 𝑔]𝜓
97, 8nfan 2059 . . . . . . . . . 10 𝑔((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓)
106, 9nfrex 2894 . . . . . . . . 9 𝑔𝑛𝑍 ((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓)
11 fvex 5996 . . . . . . . . 9 (𝐺𝑘) ∈ V
12 feq1 5824 . . . . . . . . . . 11 (𝑔 = (𝐺𝑘) → (𝑔:(𝑀...𝑛)⟶𝐴 ↔ (𝐺𝑘):(𝑀...𝑛)⟶𝐴))
13 sbceq1a 3317 . . . . . . . . . . 11 (𝑔 = (𝐺𝑘) → (𝜓[(𝐺𝑘) / 𝑔]𝜓))
1412, 13anbi12d 742 . . . . . . . . . 10 (𝑔 = (𝐺𝑘) → ((𝑔:(𝑀...𝑛)⟶𝐴𝜓) ↔ ((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓)))
1514rexbidv 2938 . . . . . . . . 9 (𝑔 = (𝐺𝑘) → (∃𝑛𝑍 (𝑔:(𝑀...𝑛)⟶𝐴𝜓) ↔ ∃𝑛𝑍 ((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓)))
1610, 11, 15elabf 3222 . . . . . . . 8 ((𝐺𝑘) ∈ {𝑔 ∣ ∃𝑛𝑍 (𝑔:(𝑀...𝑛)⟶𝐴𝜓)} ↔ ∃𝑛𝑍 ((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓))
175, 16bitri 262 . . . . . . 7 ((𝐺𝑘) ∈ 𝐽 ↔ ∃𝑛𝑍 ((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓))
183, 17sylib 206 . . . . . 6 ((𝜑𝑘𝑍) → ∃𝑛𝑍 ((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓))
19 fdm 5849 . . . . . . . . . 10 ((𝐺𝑘):(𝑀...𝑛)⟶𝐴 → dom (𝐺𝑘) = (𝑀...𝑛))
2019adantr 479 . . . . . . . . 9 (((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓) → dom (𝐺𝑘) = (𝑀...𝑛))
21 fveq2 5986 . . . . . . . . . . . . . . . . . . 19 (𝑥 = 𝑀 → (𝐺𝑥) = (𝐺𝑀))
22 oveq2 6433 . . . . . . . . . . . . . . . . . . . 20 (𝑥 = 𝑀 → (𝑀...𝑥) = (𝑀...𝑀))
2322mpteq1d 4564 . . . . . . . . . . . . . . . . . . 19 (𝑥 = 𝑀 → (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚)) = (𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚)))
2421, 23eqeq12d 2529 . . . . . . . . . . . . . . . . . 18 (𝑥 = 𝑀 → ((𝐺𝑥) = (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚)) ↔ (𝐺𝑀) = (𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚))))
2524imbi2d 328 . . . . . . . . . . . . . . . . 17 (𝑥 = 𝑀 → ((𝜑 → (𝐺𝑥) = (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚))) ↔ (𝜑 → (𝐺𝑀) = (𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚)))))
26 fveq2 5986 . . . . . . . . . . . . . . . . . . 19 (𝑥 = 𝑤 → (𝐺𝑥) = (𝐺𝑤))
27 oveq2 6433 . . . . . . . . . . . . . . . . . . . 20 (𝑥 = 𝑤 → (𝑀...𝑥) = (𝑀...𝑤))
2827mpteq1d 4564 . . . . . . . . . . . . . . . . . . 19 (𝑥 = 𝑤 → (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))
2926, 28eqeq12d 2529 . . . . . . . . . . . . . . . . . 18 (𝑥 = 𝑤 → ((𝐺𝑥) = (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚)) ↔ (𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚))))
3029imbi2d 328 . . . . . . . . . . . . . . . . 17 (𝑥 = 𝑤 → ((𝜑 → (𝐺𝑥) = (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚))) ↔ (𝜑 → (𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))))
31 fveq2 5986 . . . . . . . . . . . . . . . . . . 19 (𝑥 = (𝑤 + 1) → (𝐺𝑥) = (𝐺‘(𝑤 + 1)))
32 oveq2 6433 . . . . . . . . . . . . . . . . . . . 20 (𝑥 = (𝑤 + 1) → (𝑀...𝑥) = (𝑀...(𝑤 + 1)))
3332mpteq1d 4564 . . . . . . . . . . . . . . . . . . 19 (𝑥 = (𝑤 + 1) → (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)))
3431, 33eqeq12d 2529 . . . . . . . . . . . . . . . . . 18 (𝑥 = (𝑤 + 1) → ((𝐺𝑥) = (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚)) ↔ (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))))
3534imbi2d 328 . . . . . . . . . . . . . . . . 17 (𝑥 = (𝑤 + 1) → ((𝜑 → (𝐺𝑥) = (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚))) ↔ (𝜑 → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)))))
36 fveq2 5986 . . . . . . . . . . . . . . . . . . 19 (𝑥 = 𝑘 → (𝐺𝑥) = (𝐺𝑘))
37 oveq2 6433 . . . . . . . . . . . . . . . . . . . 20 (𝑥 = 𝑘 → (𝑀...𝑥) = (𝑀...𝑘))
3837mpteq1d 4564 . . . . . . . . . . . . . . . . . . 19 (𝑥 = 𝑘 → (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚)) = (𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)))
3936, 38eqeq12d 2529 . . . . . . . . . . . . . . . . . 18 (𝑥 = 𝑘 → ((𝐺𝑥) = (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚)) ↔ (𝐺𝑘) = (𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚))))
4039imbi2d 328 . . . . . . . . . . . . . . . . 17 (𝑥 = 𝑘 → ((𝜑 → (𝐺𝑥) = (𝑚 ∈ (𝑀...𝑥) ↦ ((𝐺𝑚)‘𝑚))) ↔ (𝜑 → (𝐺𝑘) = (𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)))))
41 fveq2 5986 . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝑚 = 𝑘 → (𝐺𝑚) = (𝐺𝑘))
42 id 22 . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝑚 = 𝑘𝑚 = 𝑘)
4341, 42fveq12d 5992 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑚 = 𝑘 → ((𝐺𝑚)‘𝑚) = ((𝐺𝑘)‘𝑘))
44 eqid 2514 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚)) = (𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚))
45 fvex 5996 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝐺𝑘)‘𝑘) ∈ V
4643, 44, 45fvmpt 6074 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑘 ∈ (𝑀...𝑀) → ((𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚))‘𝑘) = ((𝐺𝑘)‘𝑘))
4746adantl 480 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑘 ∈ (𝑀...𝑀)) → ((𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚))‘𝑘) = ((𝐺𝑘)‘𝑘))
48 elfz1eq 12090 . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝑘 ∈ (𝑀...𝑀) → 𝑘 = 𝑀)
4948adantl 480 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑𝑘 ∈ (𝑀...𝑀)) → 𝑘 = 𝑀)
5049fveq2d 5990 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑘 ∈ (𝑀...𝑀)) → (𝐺𝑘) = (𝐺𝑀))
5150fveq1d 5988 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑘 ∈ (𝑀...𝑀)) → ((𝐺𝑘)‘𝑘) = ((𝐺𝑀)‘𝑘))
5247, 51eqtr2d 2549 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑘 ∈ (𝑀...𝑀)) → ((𝐺𝑀)‘𝑘) = ((𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚))‘𝑘))
5352ex 448 . . . . . . . . . . . . . . . . . . . 20 (𝜑 → (𝑘 ∈ (𝑀...𝑀) → ((𝐺𝑀)‘𝑘) = ((𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚))‘𝑘)))
541, 53ralrimi 2844 . . . . . . . . . . . . . . . . . . 19 (𝜑 → ∀𝑘 ∈ (𝑀...𝑀)((𝐺𝑀)‘𝑘) = ((𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚))‘𝑘))
55 sdc.14 . . . . . . . . . . . . . . . . . . . . 21 (𝜑 → (𝐺𝑀):(𝑀...𝑀)⟶𝐴)
56 ffn 5843 . . . . . . . . . . . . . . . . . . . . 21 ((𝐺𝑀):(𝑀...𝑀)⟶𝐴 → (𝐺𝑀) Fn (𝑀...𝑀))
5755, 56syl 17 . . . . . . . . . . . . . . . . . . . 20 (𝜑 → (𝐺𝑀) Fn (𝑀...𝑀))
58 fvex 5996 . . . . . . . . . . . . . . . . . . . . 21 ((𝐺𝑚)‘𝑚) ∈ V
5958, 44fnmpti 5820 . . . . . . . . . . . . . . . . . . . 20 (𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚)) Fn (𝑀...𝑀)
60 eqfnfv 6102 . . . . . . . . . . . . . . . . . . . 20 (((𝐺𝑀) Fn (𝑀...𝑀) ∧ (𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚)) Fn (𝑀...𝑀)) → ((𝐺𝑀) = (𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚)) ↔ ∀𝑘 ∈ (𝑀...𝑀)((𝐺𝑀)‘𝑘) = ((𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚))‘𝑘)))
6157, 59, 60sylancl 692 . . . . . . . . . . . . . . . . . . 19 (𝜑 → ((𝐺𝑀) = (𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚)) ↔ ∀𝑘 ∈ (𝑀...𝑀)((𝐺𝑀)‘𝑘) = ((𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚))‘𝑘)))
6254, 61mpbird 245 . . . . . . . . . . . . . . . . . 18 (𝜑 → (𝐺𝑀) = (𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚)))
6362a1i 11 . . . . . . . . . . . . . . . . 17 (𝑀 ∈ ℤ → (𝜑 → (𝐺𝑀) = (𝑚 ∈ (𝑀...𝑀) ↦ ((𝐺𝑚)‘𝑚))))
64 sdc.1 . . . . . . . . . . . . . . . . . . . 20 𝑍 = (ℤ𝑀)
6564eleq2i 2584 . . . . . . . . . . . . . . . . . . 19 (𝑤𝑍𝑤 ∈ (ℤ𝑀))
662ffvelrnda 6150 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝜑𝑤𝑍) → (𝐺𝑤) ∈ 𝐽)
67 simpr 475 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝜑𝑤𝑍) → 𝑤𝑍)
68 3simpa 1050 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎) → (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘))))
6968reximi 2898 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎) → ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘))))
7069ss2abi 3541 . . . . . . . . . . . . . . . . . . . . . . . . . 26 { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ⊆ { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))}
71 fvex 5996 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (ℤ𝑀) ∈ V
7264, 71eqeltri 2588 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 𝑍 ∈ V
73 nfv 1796 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 𝑘 𝑤𝑍
741, 73nfan 2059 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 𝑘(𝜑𝑤𝑍)
75 sdc.6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 (𝜑𝐴𝑉)
7675adantr 479 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ((𝜑𝑤𝑍) → 𝐴𝑉)
77 simpl 471 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 ((:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘))) → :(𝑀...(𝑘 + 1))⟶𝐴)
78 ovex 6453 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 (𝑀...(𝑘 + 1)) ∈ V
79 elmapg 7632 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 ((𝐴𝑉 ∧ (𝑀...(𝑘 + 1)) ∈ V) → ( ∈ (𝐴𝑚 (𝑀...(𝑘 + 1))) ↔ :(𝑀...(𝑘 + 1))⟶𝐴))
8078, 79mpan2 702 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 (𝐴𝑉 → ( ∈ (𝐴𝑚 (𝑀...(𝑘 + 1))) ↔ :(𝑀...(𝑘 + 1))⟶𝐴))
8177, 80syl5ibr 234 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 (𝐴𝑉 → ((:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘))) → ∈ (𝐴𝑚 (𝑀...(𝑘 + 1)))))
8281abssdv 3543 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (𝐴𝑉 → { ∣ (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ⊆ (𝐴𝑚 (𝑀...(𝑘 + 1))))
8376, 82syl 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((𝜑𝑤𝑍) → { ∣ (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ⊆ (𝐴𝑚 (𝑀...(𝑘 + 1))))
84 ovex 6453 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (𝐴𝑚 (𝑀...(𝑘 + 1))) ∈ V
85 ssexg 4631 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (({ ∣ (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ⊆ (𝐴𝑚 (𝑀...(𝑘 + 1))) ∧ (𝐴𝑚 (𝑀...(𝑘 + 1))) ∈ V) → { ∣ (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ∈ V)
8683, 84, 85sylancl 692 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((𝜑𝑤𝑍) → { ∣ (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ∈ V)
8786a1d 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((𝜑𝑤𝑍) → (𝑘𝑍 → { ∣ (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ∈ V))
8874, 87ralrimi 2844 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((𝜑𝑤𝑍) → ∀𝑘𝑍 { ∣ (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ∈ V)
89 abrexex2g 6910 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((𝑍 ∈ V ∧ ∀𝑘𝑍 { ∣ (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ∈ V) → { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ∈ V)
9072, 88, 89sylancr 693 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((𝜑𝑤𝑍) → { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ∈ V)
91 ssexg 4631 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (({ ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ⊆ { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ∧ { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ∈ V) → { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V)
9270, 90, 91sylancr 693 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝜑𝑤𝑍) → { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V)
93 eqeq1 2518 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 (𝑥 = (𝐺𝑤) → (𝑥 = ( ↾ (𝑀...𝑘)) ↔ (𝐺𝑤) = ( ↾ (𝑀...𝑘))))
94933anbi2d 1395 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (𝑥 = (𝐺𝑤) → ((:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎) ↔ (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)))
9594rexbidv 2938 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (𝑥 = (𝐺𝑤) → (∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎) ↔ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)))
9695abbidv 2632 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 (𝑥 = (𝐺𝑤) → { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)})
9796eleq1d 2576 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝑥 = (𝐺𝑤) → ({ ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V ↔ { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V))
98 oveq2 6433 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 (𝑥 = (𝐺𝑤) → (𝑤𝐹𝑥) = (𝑤𝐹(𝐺𝑤)))
9998, 96eqeq12d 2529 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝑥 = (𝐺𝑤) → ((𝑤𝐹𝑥) = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ↔ (𝑤𝐹(𝐺𝑤)) = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)}))
10097, 99imbi12d 332 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝑥 = (𝐺𝑤) → (({ ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V → (𝑤𝐹𝑥) = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)}) ↔ ({ ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V → (𝑤𝐹(𝐺𝑤)) = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)})))
101100imbi2d 328 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑥 = (𝐺𝑤) → ((𝑤𝑍 → ({ ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V → (𝑤𝐹𝑥) = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)})) ↔ (𝑤𝑍 → ({ ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V → (𝑤𝐹(𝐺𝑤)) = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)}))))
102 sdc.11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 𝐹 = (𝑤𝑍, 𝑥𝐽 ↦ { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)})
103102ovmpt4g 6557 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((𝑤𝑍𝑥𝐽 ∧ { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V) → (𝑤𝐹𝑥) = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)})
1041033com12 1260 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((𝑥𝐽𝑤𝑍 ∧ { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V) → (𝑤𝐹𝑥) = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)})
1051043exp 1255 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑥𝐽 → (𝑤𝑍 → ({ ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V → (𝑤𝐹𝑥) = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴𝑥 = ( ↾ (𝑀...𝑘)) ∧ 𝜎)})))
106101, 105vtoclga 3149 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝐺𝑤) ∈ 𝐽 → (𝑤𝑍 → ({ ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)} ∈ V → (𝑤𝐹(𝐺𝑤)) = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)})))
10766, 67, 92, 106syl3c 63 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑𝑤𝑍) → (𝑤𝐹(𝐺𝑤)) = { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)) ∧ 𝜎)})
108107, 70syl6eqss 3522 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑤𝑍) → (𝑤𝐹(𝐺𝑤)) ⊆ { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))})
109 sdc.15 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑤𝑍) → (𝐺‘(𝑤 + 1)) ∈ (𝑤𝐹(𝐺𝑤)))
110108, 109sseldd 3473 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑤𝑍) → (𝐺‘(𝑤 + 1)) ∈ { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))})
111 fvex 5996 . . . . . . . . . . . . . . . . . . . . . . 23 (𝐺‘(𝑤 + 1)) ∈ V
112 feq1 5824 . . . . . . . . . . . . . . . . . . . . . . . . 25 ( = (𝐺‘(𝑤 + 1)) → (:(𝑀...(𝑘 + 1))⟶𝐴 ↔ (𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴))
113 reseq1 5202 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ( = (𝐺‘(𝑤 + 1)) → ( ↾ (𝑀...𝑘)) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)))
114113eqeq2d 2524 . . . . . . . . . . . . . . . . . . . . . . . . 25 ( = (𝐺‘(𝑤 + 1)) → ((𝐺𝑤) = ( ↾ (𝑀...𝑘)) ↔ (𝐺𝑤) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘))))
115112, 114anbi12d 742 . . . . . . . . . . . . . . . . . . . . . . . 24 ( = (𝐺‘(𝑤 + 1)) → ((:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘))) ↔ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)))))
116115rexbidv 2938 . . . . . . . . . . . . . . . . . . . . . . 23 ( = (𝐺‘(𝑤 + 1)) → (∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘))) ↔ ∃𝑘𝑍 ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)))))
117111, 116elab 3223 . . . . . . . . . . . . . . . . . . . . . 22 ((𝐺‘(𝑤 + 1)) ∈ { ∣ ∃𝑘𝑍 (:(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ( ↾ (𝑀...𝑘)))} ↔ ∃𝑘𝑍 ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘))))
118110, 117sylib 206 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑤𝑍) → ∃𝑘𝑍 ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘))))
119 nfv 1796 . . . . . . . . . . . . . . . . . . . . . 22 𝑘((𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)))
120 simprl 789 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴)
121 fzssp1 12122 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 (𝑀...𝑘) ⊆ (𝑀...(𝑘 + 1))
122 fssres 5866 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 (((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝑀...𝑘) ⊆ (𝑀...(𝑘 + 1))) → ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)):(𝑀...𝑘)⟶𝐴)
123120, 121, 122sylancl 692 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)):(𝑀...𝑘)⟶𝐴)
124 fdm 5849 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 (((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)):(𝑀...𝑘)⟶𝐴 → dom ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑀...𝑘))
125123, 124syl 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → dom ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑀...𝑘))
126 eqid 2514 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚))
12758, 126fnmpti 5820 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) Fn (𝑀...𝑤)
128 simprr 791 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))
129128fneq1d 5780 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) Fn (𝑀...𝑤) ↔ (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) Fn (𝑀...𝑤)))
130127, 129mpbiri 246 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) Fn (𝑀...𝑤))
131 fndm 5789 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 (((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) Fn (𝑀...𝑤) → dom ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑀...𝑤))
132130, 131syl 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → dom ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑀...𝑤))
133125, 132eqtr3d 2550 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝑀...𝑘) = (𝑀...𝑤))
134 simplr 787 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → 𝑘𝑍)
135134, 64syl6eleq 2602 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → 𝑘 ∈ (ℤ𝑀))
136 fzopth 12116 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 (𝑘 ∈ (ℤ𝑀) → ((𝑀...𝑘) = (𝑀...𝑤) ↔ (𝑀 = 𝑀𝑘 = 𝑤)))
137135, 136syl 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → ((𝑀...𝑘) = (𝑀...𝑤) ↔ (𝑀 = 𝑀𝑘 = 𝑤)))
138133, 137mpbid 220 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝑀 = 𝑀𝑘 = 𝑤))
139138simprd 477 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → 𝑘 = 𝑤)
140139oveq1d 6440 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝑘 + 1) = (𝑤 + 1))
141140oveq2d 6441 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝑀...(𝑘 + 1)) = (𝑀...(𝑤 + 1)))
142 elfzp1 12128 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (𝑘 ∈ (ℤ𝑀) → (𝑥 ∈ (𝑀...(𝑘 + 1)) ↔ (𝑥 ∈ (𝑀...𝑘) ∨ 𝑥 = (𝑘 + 1))))
143135, 142syl 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝑥 ∈ (𝑀...(𝑘 + 1)) ↔ (𝑥 ∈ (𝑀...𝑘) ∨ 𝑥 = (𝑘 + 1))))
144133reseq2d 5208 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑘)) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑤)))
145 fzssp1 12122 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 (𝑀...𝑤) ⊆ (𝑀...(𝑤 + 1))
146 resmpt 5260 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 ((𝑀...𝑤) ⊆ (𝑀...(𝑤 + 1)) → ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑤)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))
147145, 146ax-mp 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑤)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚))
148144, 147syl6req 2565 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑘)))
149128, 148eqtrd 2548 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑘)))
150149fveq1d 5988 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘))‘𝑥) = (((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑘))‘𝑥))
151 fvres 6000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 (𝑥 ∈ (𝑀...𝑘) → (((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘))‘𝑥) = ((𝐺‘(𝑤 + 1))‘𝑥))
152 fvres 6000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 (𝑥 ∈ (𝑀...𝑘) → (((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑘))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥))
153151, 152eqeq12d 2529 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (𝑥 ∈ (𝑀...𝑘) → ((((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘))‘𝑥) = (((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑘))‘𝑥) ↔ ((𝐺‘(𝑤 + 1))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥)))
154150, 153syl5ibcom 233 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝑥 ∈ (𝑀...𝑘) → ((𝐺‘(𝑤 + 1))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥)))
155140eqeq2d 2524 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝑥 = (𝑘 + 1) ↔ 𝑥 = (𝑤 + 1)))
156139, 135eqeltrrd 2593 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → 𝑤 ∈ (ℤ𝑀))
157 peano2uz 11480 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 (𝑤 ∈ (ℤ𝑀) → (𝑤 + 1) ∈ (ℤ𝑀))
158 eluzfz2 12087 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 ((𝑤 + 1) ∈ (ℤ𝑀) → (𝑤 + 1) ∈ (𝑀...(𝑤 + 1)))
159 fveq2 5986 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 (𝑚 = (𝑤 + 1) → (𝐺𝑚) = (𝐺‘(𝑤 + 1)))
160 id 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 (𝑚 = (𝑤 + 1) → 𝑚 = (𝑤 + 1))
161159, 160fveq12d 5992 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 (𝑚 = (𝑤 + 1) → ((𝐺𝑚)‘𝑚) = ((𝐺‘(𝑤 + 1))‘(𝑤 + 1)))
162 eqid 2514 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))
163 fvex 5996 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 ((𝐺‘(𝑤 + 1))‘(𝑤 + 1)) ∈ V
164161, 162, 163fvmpt 6074 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 ((𝑤 + 1) ∈ (𝑀...(𝑤 + 1)) → ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘(𝑤 + 1)) = ((𝐺‘(𝑤 + 1))‘(𝑤 + 1)))
165156, 157, 158, 1644syl 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘(𝑤 + 1)) = ((𝐺‘(𝑤 + 1))‘(𝑤 + 1)))
166165eqcomd 2520 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → ((𝐺‘(𝑤 + 1))‘(𝑤 + 1)) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘(𝑤 + 1)))
167 fveq2 5986 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 (𝑥 = (𝑤 + 1) → ((𝐺‘(𝑤 + 1))‘𝑥) = ((𝐺‘(𝑤 + 1))‘(𝑤 + 1)))
168 fveq2 5986 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 (𝑥 = (𝑤 + 1) → ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘(𝑤 + 1)))
169167, 168eqeq12d 2529 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 (𝑥 = (𝑤 + 1) → (((𝐺‘(𝑤 + 1))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥) ↔ ((𝐺‘(𝑤 + 1))‘(𝑤 + 1)) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘(𝑤 + 1))))
170166, 169syl5ibrcom 235 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝑥 = (𝑤 + 1) → ((𝐺‘(𝑤 + 1))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥)))
171155, 170sylbid 228 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝑥 = (𝑘 + 1) → ((𝐺‘(𝑤 + 1))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥)))
172154, 171jaod 393 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → ((𝑥 ∈ (𝑀...𝑘) ∨ 𝑥 = (𝑘 + 1)) → ((𝐺‘(𝑤 + 1))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥)))
173143, 172sylbid 228 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝑥 ∈ (𝑀...(𝑘 + 1)) → ((𝐺‘(𝑤 + 1))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥)))
174173ralrimiv 2852 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → ∀𝑥 ∈ (𝑀...(𝑘 + 1))((𝐺‘(𝑤 + 1))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥))
175 ffn 5843 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 → (𝐺‘(𝑤 + 1)) Fn (𝑀...(𝑘 + 1)))
176175ad2antrl 759 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝐺‘(𝑤 + 1)) Fn (𝑀...(𝑘 + 1)))
17758, 162fnmpti 5820 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) Fn (𝑀...(𝑤 + 1))
178 eqfnfv2 6103 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (((𝐺‘(𝑤 + 1)) Fn (𝑀...(𝑘 + 1)) ∧ (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) Fn (𝑀...(𝑤 + 1))) → ((𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) ↔ ((𝑀...(𝑘 + 1)) = (𝑀...(𝑤 + 1)) ∧ ∀𝑥 ∈ (𝑀...(𝑘 + 1))((𝐺‘(𝑤 + 1))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥))))
179176, 177, 178sylancl 692 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → ((𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)) ↔ ((𝑀...(𝑘 + 1)) = (𝑀...(𝑤 + 1)) ∧ ∀𝑥 ∈ (𝑀...(𝑘 + 1))((𝐺‘(𝑤 + 1))‘𝑥) = ((𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))‘𝑥))))
180141, 174, 179mpbir2and 958 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)))) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)))
181180expr 640 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ (𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴) → (((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))))
182 eqeq1 2518 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((𝐺𝑤) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) → ((𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) ↔ ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚))))
183182imbi1d 329 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝐺𝑤) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) → (((𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))) ↔ (((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)))))
184181, 183syl5ibrcom 235 . . . . . . . . . . . . . . . . . . . . . . . 24 ((((𝜑𝑤𝑍) ∧ 𝑘𝑍) ∧ (𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴) → ((𝐺𝑤) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘)) → ((𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)))))
185184expimpd 626 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝜑𝑤𝑍) ∧ 𝑘𝑍) → (((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘))) → ((𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)))))
186185ex 448 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑤𝑍) → (𝑘𝑍 → (((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘))) → ((𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))))))
18774, 119, 186rexlimd 2912 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑤𝑍) → (∃𝑘𝑍 ((𝐺‘(𝑤 + 1)):(𝑀...(𝑘 + 1))⟶𝐴 ∧ (𝐺𝑤) = ((𝐺‘(𝑤 + 1)) ↾ (𝑀...𝑘))) → ((𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)))))
188118, 187mpd 15 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑤𝑍) → ((𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚))))
189188expcom 449 . . . . . . . . . . . . . . . . . . 19 (𝑤𝑍 → (𝜑 → ((𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)))))
19065, 189sylbir 223 . . . . . . . . . . . . . . . . . 18 (𝑤 ∈ (ℤ𝑀) → (𝜑 → ((𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚)) → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)))))
191190a2d 29 . . . . . . . . . . . . . . . . 17 (𝑤 ∈ (ℤ𝑀) → ((𝜑 → (𝐺𝑤) = (𝑚 ∈ (𝑀...𝑤) ↦ ((𝐺𝑚)‘𝑚))) → (𝜑 → (𝐺‘(𝑤 + 1)) = (𝑚 ∈ (𝑀...(𝑤 + 1)) ↦ ((𝐺𝑚)‘𝑚)))))
19225, 30, 35, 40, 63, 191uzind4 11485 . . . . . . . . . . . . . . . 16 (𝑘 ∈ (ℤ𝑀) → (𝜑 → (𝐺𝑘) = (𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚))))
193192, 64eleq2s 2610 . . . . . . . . . . . . . . 15 (𝑘𝑍 → (𝜑 → (𝐺𝑘) = (𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚))))
194193impcom 444 . . . . . . . . . . . . . 14 ((𝜑𝑘𝑍) → (𝐺𝑘) = (𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)))
195194dmeqd 5139 . . . . . . . . . . . . 13 ((𝜑𝑘𝑍) → dom (𝐺𝑘) = dom (𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)))
196 dmmptg 5439 . . . . . . . . . . . . . 14 (∀𝑚 ∈ (𝑀...𝑘)((𝐺𝑚)‘𝑚) ∈ V → dom (𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) = (𝑀...𝑘))
19758a1i 11 . . . . . . . . . . . . . 14 (𝑚 ∈ (𝑀...𝑘) → ((𝐺𝑚)‘𝑚) ∈ V)
198196, 197mprg 2814 . . . . . . . . . . . . 13 dom (𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) = (𝑀...𝑘)
199195, 198syl6eq 2564 . . . . . . . . . . . 12 ((𝜑𝑘𝑍) → dom (𝐺𝑘) = (𝑀...𝑘))
200199eqeq1d 2516 . . . . . . . . . . 11 ((𝜑𝑘𝑍) → (dom (𝐺𝑘) = (𝑀...𝑛) ↔ (𝑀...𝑘) = (𝑀...𝑛)))
201 simpr 475 . . . . . . . . . . . . 13 ((𝜑𝑘𝑍) → 𝑘𝑍)
202201, 64syl6eleq 2602 . . . . . . . . . . . 12 ((𝜑𝑘𝑍) → 𝑘 ∈ (ℤ𝑀))
203 fzopth 12116 . . . . . . . . . . . 12 (𝑘 ∈ (ℤ𝑀) → ((𝑀...𝑘) = (𝑀...𝑛) ↔ (𝑀 = 𝑀𝑘 = 𝑛)))
204202, 203syl 17 . . . . . . . . . . 11 ((𝜑𝑘𝑍) → ((𝑀...𝑘) = (𝑀...𝑛) ↔ (𝑀 = 𝑀𝑘 = 𝑛)))
205200, 204bitrd 266 . . . . . . . . . 10 ((𝜑𝑘𝑍) → (dom (𝐺𝑘) = (𝑀...𝑛) ↔ (𝑀 = 𝑀𝑘 = 𝑛)))
206 simpr 475 . . . . . . . . . 10 ((𝑀 = 𝑀𝑘 = 𝑛) → 𝑘 = 𝑛)
207205, 206syl6bi 241 . . . . . . . . 9 ((𝜑𝑘𝑍) → (dom (𝐺𝑘) = (𝑀...𝑛) → 𝑘 = 𝑛))
20820, 207syl5 33 . . . . . . . 8 ((𝜑𝑘𝑍) → (((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓) → 𝑘 = 𝑛))
209 oveq2 6433 . . . . . . . . . . . 12 (𝑛 = 𝑘 → (𝑀...𝑛) = (𝑀...𝑘))
210209feq2d 5829 . . . . . . . . . . 11 (𝑛 = 𝑘 → ((𝐺𝑘):(𝑀...𝑛)⟶𝐴 ↔ (𝐺𝑘):(𝑀...𝑘)⟶𝐴))
211 sdc.4 . . . . . . . . . . . 12 (𝑛 = 𝑘 → (𝜓𝜃))
212211sbcbidv 3361 . . . . . . . . . . 11 (𝑛 = 𝑘 → ([(𝐺𝑘) / 𝑔]𝜓[(𝐺𝑘) / 𝑔]𝜃))
213210, 212anbi12d 742 . . . . . . . . . 10 (𝑛 = 𝑘 → (((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓) ↔ ((𝐺𝑘):(𝑀...𝑘)⟶𝐴[(𝐺𝑘) / 𝑔]𝜃)))
214213equcoms 1897 . . . . . . . . 9 (𝑘 = 𝑛 → (((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓) ↔ ((𝐺𝑘):(𝑀...𝑘)⟶𝐴[(𝐺𝑘) / 𝑔]𝜃)))
215214biimpcd 237 . . . . . . . 8 (((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓) → (𝑘 = 𝑛 → ((𝐺𝑘):(𝑀...𝑘)⟶𝐴[(𝐺𝑘) / 𝑔]𝜃)))
216208, 215sylcom 30 . . . . . . 7 ((𝜑𝑘𝑍) → (((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓) → ((𝐺𝑘):(𝑀...𝑘)⟶𝐴[(𝐺𝑘) / 𝑔]𝜃)))
217216rexlimdvw 2920 . . . . . 6 ((𝜑𝑘𝑍) → (∃𝑛𝑍 ((𝐺𝑘):(𝑀...𝑛)⟶𝐴[(𝐺𝑘) / 𝑔]𝜓) → ((𝐺𝑘):(𝑀...𝑘)⟶𝐴[(𝐺𝑘) / 𝑔]𝜃)))
21818, 217mpd 15 . . . . 5 ((𝜑𝑘𝑍) → ((𝐺𝑘):(𝑀...𝑘)⟶𝐴[(𝐺𝑘) / 𝑔]𝜃))
219218simpld 473 . . . 4 ((𝜑𝑘𝑍) → (𝐺𝑘):(𝑀...𝑘)⟶𝐴)
220 eluzfz2 12087 . . . . 5 (𝑘 ∈ (ℤ𝑀) → 𝑘 ∈ (𝑀...𝑘))
221202, 220syl 17 . . . 4 ((𝜑𝑘𝑍) → 𝑘 ∈ (𝑀...𝑘))
222219, 221ffvelrnd 6151 . . 3 ((𝜑𝑘𝑍) → ((𝐺𝑘)‘𝑘) ∈ 𝐴)
22343cbvmptv 4576 . . 3 (𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) = (𝑘𝑍 ↦ ((𝐺𝑘)‘𝑘))
2241, 222, 223fmptdf 6177 . 2 (𝜑 → (𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)):𝑍𝐴)
225218simprd 477 . . . . . 6 ((𝜑𝑘𝑍) → [(𝐺𝑘) / 𝑔]𝜃)
226194, 225sbceq1dd 3312 . . . . 5 ((𝜑𝑘𝑍) → [(𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜃)
227226ex 448 . . . 4 (𝜑 → (𝑘𝑍[(𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜃))
2281, 227ralrimi 2844 . . 3 (𝜑 → ∀𝑘𝑍 [(𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜃)
229 mpteq1 4563 . . . . . 6 ((𝑀...𝑛) = (𝑀...𝑘) → (𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) = (𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)))
230 dfsbcq 3308 . . . . . 6 ((𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) = (𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) → ([(𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓[(𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓))
231209, 229, 2303syl 18 . . . . 5 (𝑛 = 𝑘 → ([(𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓[(𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓))
232211sbcbidv 3361 . . . . 5 (𝑛 = 𝑘 → ([(𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓[(𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜃))
233231, 232bitrd 266 . . . 4 (𝑛 = 𝑘 → ([(𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓[(𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜃))
234233cbvralv 3051 . . 3 (∀𝑛𝑍 [(𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓 ↔ ∀𝑘𝑍 [(𝑚 ∈ (𝑀...𝑘) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜃)
235228, 234sylibr 222 . 2 (𝜑 → ∀𝑛𝑍 [(𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓)
23672mptex 6266 . . 3 (𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) ∈ V
237 feq1 5824 . . . 4 (𝑓 = (𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) → (𝑓:𝑍𝐴 ↔ (𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)):𝑍𝐴))
238 vex 3080 . . . . . . . 8 𝑓 ∈ V
239238resex 5254 . . . . . . 7 (𝑓 ↾ (𝑀...𝑛)) ∈ V
240 sdc.2 . . . . . . 7 (𝑔 = (𝑓 ↾ (𝑀...𝑛)) → (𝜓𝜒))
241239, 240sbcie 3341 . . . . . 6 ([(𝑓 ↾ (𝑀...𝑛)) / 𝑔]𝜓𝜒)
242 reseq1 5202 . . . . . . . 8 (𝑓 = (𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) → (𝑓 ↾ (𝑀...𝑛)) = ((𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑛)))
243 fzssuz 12120 . . . . . . . . . 10 (𝑀...𝑛) ⊆ (ℤ𝑀)
244243, 64sseqtr4i 3505 . . . . . . . . 9 (𝑀...𝑛) ⊆ 𝑍
245 resmpt 5260 . . . . . . . . 9 ((𝑀...𝑛) ⊆ 𝑍 → ((𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑛)) = (𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)))
246244, 245ax-mp 5 . . . . . . . 8 ((𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) ↾ (𝑀...𝑛)) = (𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚))
247242, 246syl6eq 2564 . . . . . . 7 (𝑓 = (𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) → (𝑓 ↾ (𝑀...𝑛)) = (𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)))
248247sbceq1d 3311 . . . . . 6 (𝑓 = (𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) → ([(𝑓 ↾ (𝑀...𝑛)) / 𝑔]𝜓[(𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓))
249241, 248syl5bbr 272 . . . . 5 (𝑓 = (𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) → (𝜒[(𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓))
250249ralbidv 2873 . . . 4 (𝑓 = (𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) → (∀𝑛𝑍 𝜒 ↔ ∀𝑛𝑍 [(𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓))
251237, 250anbi12d 742 . . 3 (𝑓 = (𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)) → ((𝑓:𝑍𝐴 ∧ ∀𝑛𝑍 𝜒) ↔ ((𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)):𝑍𝐴 ∧ ∀𝑛𝑍 [(𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓)))
252236, 251spcev 3177 . 2 (((𝑚𝑍 ↦ ((𝐺𝑚)‘𝑚)):𝑍𝐴 ∧ ∀𝑛𝑍 [(𝑚 ∈ (𝑀...𝑛) ↦ ((𝐺𝑚)‘𝑚)) / 𝑔]𝜓) → ∃𝑓(𝑓:𝑍𝐴 ∧ ∀𝑛𝑍 𝜒))
253224, 235, 252syl2anc 690 1 (𝜑 → ∃𝑓(𝑓:𝑍𝐴 ∧ ∀𝑛𝑍 𝜒))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 194  wo 381  wa 382  w3a 1030   = wceq 1474  wex 1694  wnf 1698  wcel 1938  {cab 2500  wral 2800  wrex 2801  Vcvv 3077  [wsbc 3306  wss 3444  {csn 4028  cmpt 4541  dom cdm 4932  cres 4934   Fn wfn 5684  wf 5685  cfv 5689  (class class class)co 6425  cmpt2 6427  𝑚 cmap 7619  1c1 9691   + caddc 9693  cz 11117  cuz 11426  ...cfz 12064
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1700  ax-4 1713  ax-5 1793  ax-6 1838  ax-7 1885  ax-8 1940  ax-9 1947  ax-10 1966  ax-11 1971  ax-12 1983  ax-13 2137  ax-ext 2494  ax-rep 4597  ax-sep 4607  ax-nul 4616  ax-pow 4668  ax-pr 4732  ax-un 6722  ax-cnex 9746  ax-resscn 9747  ax-1cn 9748  ax-icn 9749  ax-addcl 9750  ax-addrcl 9751  ax-mulcl 9752  ax-mulrcl 9753  ax-mulcom 9754  ax-addass 9755  ax-mulass 9756  ax-distr 9757  ax-i2m1 9758  ax-1ne0 9759  ax-1rid 9760  ax-rnegex 9761  ax-rrecex 9762  ax-cnre 9763  ax-pre-lttri 9764  ax-pre-lttrn 9765  ax-pre-ltadd 9766  ax-pre-mulgt0 9767
This theorem depends on definitions:  df-bi 195  df-or 383  df-an 384  df-3or 1031  df-3an 1032  df-tru 1477  df-ex 1695  df-nf 1699  df-sb 1831  df-eu 2366  df-mo 2367  df-clab 2501  df-cleq 2507  df-clel 2510  df-nfc 2644  df-ne 2686  df-nel 2687  df-ral 2805  df-rex 2806  df-reu 2807  df-rab 2809  df-v 3079  df-sbc 3307  df-csb 3404  df-dif 3447  df-un 3449  df-in 3451  df-ss 3458  df-pss 3460  df-nul 3778  df-if 3940  df-pw 4013  df-sn 4029  df-pr 4031  df-tp 4033  df-op 4035  df-uni 4271  df-iun 4355  df-br 4482  df-opab 4542  df-mpt 4543  df-tr 4579  df-eprel 4843  df-id 4847  df-po 4853  df-so 4854  df-fr 4891  df-we 4893  df-xp 4938  df-rel 4939  df-cnv 4940  df-co 4941  df-dm 4942  df-rn 4943  df-res 4944  df-ima 4945  df-pred 5487  df-ord 5533  df-on 5534  df-lim 5535  df-suc 5536  df-iota 5653  df-fun 5691  df-fn 5692  df-f 5693  df-f1 5694  df-fo 5695  df-f1o 5696  df-fv 5697  df-riota 6387  df-ov 6428  df-oprab 6429  df-mpt2 6430  df-om 6833  df-1st 6933  df-2nd 6934  df-wrecs 7168  df-recs 7230  df-rdg 7268  df-er 7504  df-map 7621  df-en 7717  df-dom 7718  df-sdom 7719  df-pnf 9830  df-mnf 9831  df-xr 9832  df-ltxr 9833  df-le 9834  df-sub 10018  df-neg 10019  df-nn 10775  df-n0 11047  df-z 11118  df-uz 11427  df-fz 12065
This theorem is referenced by:  sdclem1  32599
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