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Theorem poimirlem12 33747
Description: Lemma for poimir 33768 connecting walks that could yield from a given cube a given face opposite the final vertex of the walk. (Contributed by Brendan Leahy, 21-Aug-2020.)
Hypotheses
Ref Expression
poimir.0 (𝜑𝑁 ∈ ℕ)
poimirlem22.s 𝑆 = {𝑡 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)) ∣ 𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))))}
poimirlem22.1 (𝜑𝐹:(0...(𝑁 − 1))⟶((0...𝐾) ↑𝑚 (1...𝑁)))
poimirlem12.2 (𝜑𝑇𝑆)
poimirlem12.3 (𝜑 → (2nd𝑇) = 𝑁)
poimirlem12.4 (𝜑𝑈𝑆)
poimirlem12.5 (𝜑 → (2nd𝑈) = 𝑁)
poimirlem12.6 (𝜑𝑀 ∈ (0...(𝑁 − 1)))
Assertion
Ref Expression
poimirlem12 (𝜑 → ((2nd ‘(1st𝑇)) “ (1...𝑀)) ⊆ ((2nd ‘(1st𝑈)) “ (1...𝑀)))
Distinct variable groups:   𝑓,𝑗,𝑡,𝑦   𝜑,𝑗,𝑦   𝑗,𝐹,𝑦   𝑗,𝑀,𝑦   𝑗,𝑁,𝑦   𝑇,𝑗,𝑦   𝑈,𝑗,𝑦   𝜑,𝑡   𝑓,𝐾,𝑗,𝑡   𝑓,𝑀,𝑡   𝑓,𝑁,𝑡   𝑇,𝑓   𝑈,𝑓   𝑓,𝐹,𝑡   𝑡,𝑇   𝑡,𝑈   𝑆,𝑗,𝑡,𝑦
Allowed substitution hints:   𝜑(𝑓)   𝑆(𝑓)   𝐾(𝑦)

Proof of Theorem poimirlem12
StepHypRef Expression
1 eldif 3731 . . . . . . 7 (𝑦 ∈ (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))) ↔ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
2 imassrn 5618 . . . . . . . . . . . 12 ((2nd ‘(1st𝑇)) “ (1...𝑀)) ⊆ ran (2nd ‘(1st𝑇))
3 poimirlem12.2 . . . . . . . . . . . . . . . 16 (𝜑𝑇𝑆)
4 elrabi 3508 . . . . . . . . . . . . . . . . 17 (𝑇 ∈ {𝑡 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)) ∣ 𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))))} → 𝑇 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)))
5 poimirlem22.s . . . . . . . . . . . . . . . . 17 𝑆 = {𝑡 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)) ∣ 𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))))}
64, 5eleq2s 2867 . . . . . . . . . . . . . . . 16 (𝑇𝑆𝑇 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)))
7 xp1st 7346 . . . . . . . . . . . . . . . 16 (𝑇 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)) → (1st𝑇) ∈ (((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}))
83, 6, 73syl 18 . . . . . . . . . . . . . . 15 (𝜑 → (1st𝑇) ∈ (((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}))
9 xp2nd 7347 . . . . . . . . . . . . . . 15 ((1st𝑇) ∈ (((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) → (2nd ‘(1st𝑇)) ∈ {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)})
108, 9syl 17 . . . . . . . . . . . . . 14 (𝜑 → (2nd ‘(1st𝑇)) ∈ {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)})
11 fvex 6342 . . . . . . . . . . . . . . 15 (2nd ‘(1st𝑇)) ∈ V
12 f1oeq1 6268 . . . . . . . . . . . . . . 15 (𝑓 = (2nd ‘(1st𝑇)) → (𝑓:(1...𝑁)–1-1-onto→(1...𝑁) ↔ (2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁)))
1311, 12elab 3499 . . . . . . . . . . . . . 14 ((2nd ‘(1st𝑇)) ∈ {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)} ↔ (2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁))
1410, 13sylib 208 . . . . . . . . . . . . 13 (𝜑 → (2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁))
15 f1of 6278 . . . . . . . . . . . . 13 ((2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁) → (2nd ‘(1st𝑇)):(1...𝑁)⟶(1...𝑁))
16 frn 6193 . . . . . . . . . . . . 13 ((2nd ‘(1st𝑇)):(1...𝑁)⟶(1...𝑁) → ran (2nd ‘(1st𝑇)) ⊆ (1...𝑁))
1714, 15, 163syl 18 . . . . . . . . . . . 12 (𝜑 → ran (2nd ‘(1st𝑇)) ⊆ (1...𝑁))
182, 17syl5ss 3761 . . . . . . . . . . 11 (𝜑 → ((2nd ‘(1st𝑇)) “ (1...𝑀)) ⊆ (1...𝑁))
19 poimirlem12.4 . . . . . . . . . . . . . . 15 (𝜑𝑈𝑆)
20 elrabi 3508 . . . . . . . . . . . . . . . 16 (𝑈 ∈ {𝑡 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)) ∣ 𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))))} → 𝑈 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)))
2120, 5eleq2s 2867 . . . . . . . . . . . . . . 15 (𝑈𝑆𝑈 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)))
22 xp1st 7346 . . . . . . . . . . . . . . 15 (𝑈 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)) → (1st𝑈) ∈ (((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}))
2319, 21, 223syl 18 . . . . . . . . . . . . . 14 (𝜑 → (1st𝑈) ∈ (((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}))
24 xp2nd 7347 . . . . . . . . . . . . . 14 ((1st𝑈) ∈ (((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) → (2nd ‘(1st𝑈)) ∈ {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)})
2523, 24syl 17 . . . . . . . . . . . . 13 (𝜑 → (2nd ‘(1st𝑈)) ∈ {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)})
26 fvex 6342 . . . . . . . . . . . . . 14 (2nd ‘(1st𝑈)) ∈ V
27 f1oeq1 6268 . . . . . . . . . . . . . 14 (𝑓 = (2nd ‘(1st𝑈)) → (𝑓:(1...𝑁)–1-1-onto→(1...𝑁) ↔ (2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁)))
2826, 27elab 3499 . . . . . . . . . . . . 13 ((2nd ‘(1st𝑈)) ∈ {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)} ↔ (2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁))
2925, 28sylib 208 . . . . . . . . . . . 12 (𝜑 → (2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁))
30 f1ofo 6285 . . . . . . . . . . . 12 ((2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁) → (2nd ‘(1st𝑈)):(1...𝑁)–onto→(1...𝑁))
31 foima 6261 . . . . . . . . . . . 12 ((2nd ‘(1st𝑈)):(1...𝑁)–onto→(1...𝑁) → ((2nd ‘(1st𝑈)) “ (1...𝑁)) = (1...𝑁))
3229, 30, 313syl 18 . . . . . . . . . . 11 (𝜑 → ((2nd ‘(1st𝑈)) “ (1...𝑁)) = (1...𝑁))
3318, 32sseqtr4d 3789 . . . . . . . . . 10 (𝜑 → ((2nd ‘(1st𝑇)) “ (1...𝑀)) ⊆ ((2nd ‘(1st𝑈)) “ (1...𝑁)))
3433ssdifd 3895 . . . . . . . . 9 (𝜑 → (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))) ⊆ (((2nd ‘(1st𝑈)) “ (1...𝑁)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
35 dff1o3 6284 . . . . . . . . . . . 12 ((2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁) ↔ ((2nd ‘(1st𝑈)):(1...𝑁)–onto→(1...𝑁) ∧ Fun (2nd ‘(1st𝑈))))
3635simprbi 478 . . . . . . . . . . 11 ((2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁) → Fun (2nd ‘(1st𝑈)))
37 imadif 6113 . . . . . . . . . . 11 (Fun (2nd ‘(1st𝑈)) → ((2nd ‘(1st𝑈)) “ ((1...𝑁) ∖ (1...𝑀))) = (((2nd ‘(1st𝑈)) “ (1...𝑁)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
3829, 36, 373syl 18 . . . . . . . . . 10 (𝜑 → ((2nd ‘(1st𝑈)) “ ((1...𝑁) ∖ (1...𝑀))) = (((2nd ‘(1st𝑈)) “ (1...𝑁)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
39 difun2 4188 . . . . . . . . . . . 12 ((((𝑀 + 1)...𝑁) ∪ (1...𝑀)) ∖ (1...𝑀)) = (((𝑀 + 1)...𝑁) ∖ (1...𝑀))
40 poimirlem12.6 . . . . . . . . . . . . . . . . 17 (𝜑𝑀 ∈ (0...(𝑁 − 1)))
41 elfznn0 12639 . . . . . . . . . . . . . . . . 17 (𝑀 ∈ (0...(𝑁 − 1)) → 𝑀 ∈ ℕ0)
42 nn0p1nn 11533 . . . . . . . . . . . . . . . . 17 (𝑀 ∈ ℕ0 → (𝑀 + 1) ∈ ℕ)
4340, 41, 423syl 18 . . . . . . . . . . . . . . . 16 (𝜑 → (𝑀 + 1) ∈ ℕ)
44 nnuz 11924 . . . . . . . . . . . . . . . 16 ℕ = (ℤ‘1)
4543, 44syl6eleq 2859 . . . . . . . . . . . . . . 15 (𝜑 → (𝑀 + 1) ∈ (ℤ‘1))
46 poimir.0 . . . . . . . . . . . . . . . . . 18 (𝜑𝑁 ∈ ℕ)
4746nncnd 11237 . . . . . . . . . . . . . . . . 17 (𝜑𝑁 ∈ ℂ)
48 npcan1 10656 . . . . . . . . . . . . . . . . 17 (𝑁 ∈ ℂ → ((𝑁 − 1) + 1) = 𝑁)
4947, 48syl 17 . . . . . . . . . . . . . . . 16 (𝜑 → ((𝑁 − 1) + 1) = 𝑁)
50 elfzuz3 12545 . . . . . . . . . . . . . . . . 17 (𝑀 ∈ (0...(𝑁 − 1)) → (𝑁 − 1) ∈ (ℤ𝑀))
51 peano2uz 11942 . . . . . . . . . . . . . . . . 17 ((𝑁 − 1) ∈ (ℤ𝑀) → ((𝑁 − 1) + 1) ∈ (ℤ𝑀))
5240, 50, 513syl 18 . . . . . . . . . . . . . . . 16 (𝜑 → ((𝑁 − 1) + 1) ∈ (ℤ𝑀))
5349, 52eqeltrrd 2850 . . . . . . . . . . . . . . 15 (𝜑𝑁 ∈ (ℤ𝑀))
54 fzsplit2 12572 . . . . . . . . . . . . . . 15 (((𝑀 + 1) ∈ (ℤ‘1) ∧ 𝑁 ∈ (ℤ𝑀)) → (1...𝑁) = ((1...𝑀) ∪ ((𝑀 + 1)...𝑁)))
5545, 53, 54syl2anc 565 . . . . . . . . . . . . . 14 (𝜑 → (1...𝑁) = ((1...𝑀) ∪ ((𝑀 + 1)...𝑁)))
56 uncom 3906 . . . . . . . . . . . . . 14 ((1...𝑀) ∪ ((𝑀 + 1)...𝑁)) = (((𝑀 + 1)...𝑁) ∪ (1...𝑀))
5755, 56syl6eq 2820 . . . . . . . . . . . . 13 (𝜑 → (1...𝑁) = (((𝑀 + 1)...𝑁) ∪ (1...𝑀)))
5857difeq1d 3876 . . . . . . . . . . . 12 (𝜑 → ((1...𝑁) ∖ (1...𝑀)) = ((((𝑀 + 1)...𝑁) ∪ (1...𝑀)) ∖ (1...𝑀)))
59 incom 3954 . . . . . . . . . . . . . 14 (((𝑀 + 1)...𝑁) ∩ (1...𝑀)) = ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))
6040, 41syl 17 . . . . . . . . . . . . . . . . 17 (𝜑𝑀 ∈ ℕ0)
6160nn0red 11553 . . . . . . . . . . . . . . . 16 (𝜑𝑀 ∈ ℝ)
6261ltp1d 11155 . . . . . . . . . . . . . . 15 (𝜑𝑀 < (𝑀 + 1))
63 fzdisj 12574 . . . . . . . . . . . . . . 15 (𝑀 < (𝑀 + 1) → ((1...𝑀) ∩ ((𝑀 + 1)...𝑁)) = ∅)
6462, 63syl 17 . . . . . . . . . . . . . 14 (𝜑 → ((1...𝑀) ∩ ((𝑀 + 1)...𝑁)) = ∅)
6559, 64syl5eq 2816 . . . . . . . . . . . . 13 (𝜑 → (((𝑀 + 1)...𝑁) ∩ (1...𝑀)) = ∅)
66 disj3 4162 . . . . . . . . . . . . 13 ((((𝑀 + 1)...𝑁) ∩ (1...𝑀)) = ∅ ↔ ((𝑀 + 1)...𝑁) = (((𝑀 + 1)...𝑁) ∖ (1...𝑀)))
6765, 66sylib 208 . . . . . . . . . . . 12 (𝜑 → ((𝑀 + 1)...𝑁) = (((𝑀 + 1)...𝑁) ∖ (1...𝑀)))
6839, 58, 673eqtr4a 2830 . . . . . . . . . . 11 (𝜑 → ((1...𝑁) ∖ (1...𝑀)) = ((𝑀 + 1)...𝑁))
6968imaeq2d 5607 . . . . . . . . . 10 (𝜑 → ((2nd ‘(1st𝑈)) “ ((1...𝑁) ∖ (1...𝑀))) = ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
7038, 69eqtr3d 2806 . . . . . . . . 9 (𝜑 → (((2nd ‘(1st𝑈)) “ (1...𝑁)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))) = ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
7134, 70sseqtrd 3788 . . . . . . . 8 (𝜑 → (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))) ⊆ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
7271sselda 3750 . . . . . . 7 ((𝜑𝑦 ∈ (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → 𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
731, 72sylan2br 574 . . . . . 6 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → 𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
74 fveq2 6332 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑈 → (2nd𝑡) = (2nd𝑈))
7574breq2d 4796 . . . . . . . . . . . . . . . . . 18 (𝑡 = 𝑈 → (𝑦 < (2nd𝑡) ↔ 𝑦 < (2nd𝑈)))
7675ifbid 4245 . . . . . . . . . . . . . . . . 17 (𝑡 = 𝑈 → if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) = if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)))
7776csbeq1d 3687 . . . . . . . . . . . . . . . 16 (𝑡 = 𝑈if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))) = if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))))
78 fveq2 6332 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑈 → (1st𝑡) = (1st𝑈))
7978fveq2d 6336 . . . . . . . . . . . . . . . . . 18 (𝑡 = 𝑈 → (1st ‘(1st𝑡)) = (1st ‘(1st𝑈)))
8078fveq2d 6336 . . . . . . . . . . . . . . . . . . . . 21 (𝑡 = 𝑈 → (2nd ‘(1st𝑡)) = (2nd ‘(1st𝑈)))
8180imaeq1d 5606 . . . . . . . . . . . . . . . . . . . 20 (𝑡 = 𝑈 → ((2nd ‘(1st𝑡)) “ (1...𝑗)) = ((2nd ‘(1st𝑈)) “ (1...𝑗)))
8281xpeq1d 5278 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑈 → (((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) = (((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}))
8380imaeq1d 5606 . . . . . . . . . . . . . . . . . . . 20 (𝑡 = 𝑈 → ((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) = ((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)))
8483xpeq1d 5278 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑈 → (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}) = (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))
8582, 84uneq12d 3917 . . . . . . . . . . . . . . . . . 18 (𝑡 = 𝑈 → ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0})) = ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0})))
8679, 85oveq12d 6810 . . . . . . . . . . . . . . . . 17 (𝑡 = 𝑈 → ((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))))
8786csbeq2dv 4134 . . . . . . . . . . . . . . . 16 (𝑡 = 𝑈if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))) = if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))))
8877, 87eqtrd 2804 . . . . . . . . . . . . . . 15 (𝑡 = 𝑈if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))) = if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))))
8988mpteq2dv 4877 . . . . . . . . . . . . . 14 (𝑡 = 𝑈 → (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0})))) = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0})))))
9089eqeq2d 2780 . . . . . . . . . . . . 13 (𝑡 = 𝑈 → (𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0})))) ↔ 𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))))))
9190, 5elrab2 3516 . . . . . . . . . . . 12 (𝑈𝑆 ↔ (𝑈 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)) ∧ 𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))))))
9291simprbi 478 . . . . . . . . . . 11 (𝑈𝑆𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0})))))
9319, 92syl 17 . . . . . . . . . 10 (𝜑𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0})))))
94 breq1 4787 . . . . . . . . . . . . . 14 (𝑦 = 𝑀 → (𝑦 < (2nd𝑈) ↔ 𝑀 < (2nd𝑈)))
95 id 22 . . . . . . . . . . . . . 14 (𝑦 = 𝑀𝑦 = 𝑀)
9694, 95ifbieq1d 4246 . . . . . . . . . . . . 13 (𝑦 = 𝑀 → if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) = if(𝑀 < (2nd𝑈), 𝑀, (𝑦 + 1)))
9746nnred 11236 . . . . . . . . . . . . . . . . 17 (𝜑𝑁 ∈ ℝ)
98 peano2rem 10549 . . . . . . . . . . . . . . . . 17 (𝑁 ∈ ℝ → (𝑁 − 1) ∈ ℝ)
9997, 98syl 17 . . . . . . . . . . . . . . . 16 (𝜑 → (𝑁 − 1) ∈ ℝ)
100 elfzle2 12551 . . . . . . . . . . . . . . . . 17 (𝑀 ∈ (0...(𝑁 − 1)) → 𝑀 ≤ (𝑁 − 1))
10140, 100syl 17 . . . . . . . . . . . . . . . 16 (𝜑𝑀 ≤ (𝑁 − 1))
10297ltm1d 11157 . . . . . . . . . . . . . . . 16 (𝜑 → (𝑁 − 1) < 𝑁)
10361, 99, 97, 101, 102lelttrd 10396 . . . . . . . . . . . . . . 15 (𝜑𝑀 < 𝑁)
104 poimirlem12.5 . . . . . . . . . . . . . . 15 (𝜑 → (2nd𝑈) = 𝑁)
105103, 104breqtrrd 4812 . . . . . . . . . . . . . 14 (𝜑𝑀 < (2nd𝑈))
106105iftrued 4231 . . . . . . . . . . . . 13 (𝜑 → if(𝑀 < (2nd𝑈), 𝑀, (𝑦 + 1)) = 𝑀)
10796, 106sylan9eqr 2826 . . . . . . . . . . . 12 ((𝜑𝑦 = 𝑀) → if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) = 𝑀)
108107csbeq1d 3687 . . . . . . . . . . 11 ((𝜑𝑦 = 𝑀) → if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))) = 𝑀 / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))))
109 oveq2 6800 . . . . . . . . . . . . . . . . . 18 (𝑗 = 𝑀 → (1...𝑗) = (1...𝑀))
110109imaeq2d 5607 . . . . . . . . . . . . . . . . 17 (𝑗 = 𝑀 → ((2nd ‘(1st𝑈)) “ (1...𝑗)) = ((2nd ‘(1st𝑈)) “ (1...𝑀)))
111110xpeq1d 5278 . . . . . . . . . . . . . . . 16 (𝑗 = 𝑀 → (((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) = (((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}))
112 oveq1 6799 . . . . . . . . . . . . . . . . . . 19 (𝑗 = 𝑀 → (𝑗 + 1) = (𝑀 + 1))
113112oveq1d 6807 . . . . . . . . . . . . . . . . . 18 (𝑗 = 𝑀 → ((𝑗 + 1)...𝑁) = ((𝑀 + 1)...𝑁))
114113imaeq2d 5607 . . . . . . . . . . . . . . . . 17 (𝑗 = 𝑀 → ((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) = ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
115114xpeq1d 5278 . . . . . . . . . . . . . . . 16 (𝑗 = 𝑀 → (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}) = (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))
116111, 115uneq12d 3917 . . . . . . . . . . . . . . 15 (𝑗 = 𝑀 → ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0})) = ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})))
117116oveq2d 6808 . . . . . . . . . . . . . 14 (𝑗 = 𝑀 → ((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))))
118117adantl 467 . . . . . . . . . . . . 13 ((𝜑𝑗 = 𝑀) → ((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))))
11940, 118csbied 3707 . . . . . . . . . . . 12 (𝜑𝑀 / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))))
120119adantr 466 . . . . . . . . . . 11 ((𝜑𝑦 = 𝑀) → 𝑀 / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))))
121108, 120eqtrd 2804 . . . . . . . . . 10 ((𝜑𝑦 = 𝑀) → if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))))
122 ovexd 6824 . . . . . . . . . 10 (𝜑 → ((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))) ∈ V)
12393, 121, 40, 122fvmptd 6430 . . . . . . . . 9 (𝜑 → (𝐹𝑀) = ((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))))
124123fveq1d 6334 . . . . . . . 8 (𝜑 → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦))
125124adantr 466 . . . . . . 7 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦))
126 imassrn 5618 . . . . . . . . . 10 ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) ⊆ ran (2nd ‘(1st𝑈))
127 f1of 6278 . . . . . . . . . . 11 ((2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁) → (2nd ‘(1st𝑈)):(1...𝑁)⟶(1...𝑁))
128 frn 6193 . . . . . . . . . . 11 ((2nd ‘(1st𝑈)):(1...𝑁)⟶(1...𝑁) → ran (2nd ‘(1st𝑈)) ⊆ (1...𝑁))
12929, 127, 1283syl 18 . . . . . . . . . 10 (𝜑 → ran (2nd ‘(1st𝑈)) ⊆ (1...𝑁))
130126, 129syl5ss 3761 . . . . . . . . 9 (𝜑 → ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) ⊆ (1...𝑁))
131130sselda 3750 . . . . . . . 8 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → 𝑦 ∈ (1...𝑁))
132 xp1st 7346 . . . . . . . . . . 11 ((1st𝑈) ∈ (((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) → (1st ‘(1st𝑈)) ∈ ((0..^𝐾) ↑𝑚 (1...𝑁)))
133 elmapfn 8031 . . . . . . . . . . 11 ((1st ‘(1st𝑈)) ∈ ((0..^𝐾) ↑𝑚 (1...𝑁)) → (1st ‘(1st𝑈)) Fn (1...𝑁))
13423, 132, 1333syl 18 . . . . . . . . . 10 (𝜑 → (1st ‘(1st𝑈)) Fn (1...𝑁))
135134adantr 466 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → (1st ‘(1st𝑈)) Fn (1...𝑁))
136 1ex 10236 . . . . . . . . . . . . . 14 1 ∈ V
137 fnconstg 6233 . . . . . . . . . . . . . 14 (1 ∈ V → (((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑈)) “ (1...𝑀)))
138136, 137ax-mp 5 . . . . . . . . . . . . 13 (((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑈)) “ (1...𝑀))
139 c0ex 10235 . . . . . . . . . . . . . 14 0 ∈ V
140 fnconstg 6233 . . . . . . . . . . . . . 14 (0 ∈ V → (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
141139, 140ax-mp 5 . . . . . . . . . . . . 13 (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))
142138, 141pm3.2i 447 . . . . . . . . . . . 12 ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑈)) “ (1...𝑀)) ∧ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
143 imain 6114 . . . . . . . . . . . . . 14 (Fun (2nd ‘(1st𝑈)) → ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))))
14429, 36, 1433syl 18 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))))
14564imaeq2d 5607 . . . . . . . . . . . . . 14 (𝜑 → ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = ((2nd ‘(1st𝑈)) “ ∅))
146 ima0 5622 . . . . . . . . . . . . . 14 ((2nd ‘(1st𝑈)) “ ∅) = ∅
147145, 146syl6eq 2820 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = ∅)
148144, 147eqtr3d 2806 . . . . . . . . . . . 12 (𝜑 → (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) = ∅)
149 fnun 6137 . . . . . . . . . . . 12 ((((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑈)) “ (1...𝑀)) ∧ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) ∧ (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) = ∅) → ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))))
150142, 148, 149sylancr 567 . . . . . . . . . . 11 (𝜑 → ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))))
151 imaundi 5686 . . . . . . . . . . . . 13 ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
15255imaeq2d 5607 . . . . . . . . . . . . . 14 (𝜑 → ((2nd ‘(1st𝑈)) “ (1...𝑁)) = ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))))
153152, 32eqtr3d 2806 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))) = (1...𝑁))
154151, 153syl5eqr 2818 . . . . . . . . . . . 12 (𝜑 → (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) = (1...𝑁))
155154fneq2d 6122 . . . . . . . . . . 11 (𝜑 → (((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) ↔ ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (1...𝑁)))
156150, 155mpbid 222 . . . . . . . . . 10 (𝜑 → ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (1...𝑁))
157156adantr 466 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (1...𝑁))
158 ovexd 6824 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → (1...𝑁) ∈ V)
159 inidm 3969 . . . . . . . . 9 ((1...𝑁) ∩ (1...𝑁)) = (1...𝑁)
160 eqidd 2771 . . . . . . . . 9 (((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) ∧ 𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑈))‘𝑦) = ((1st ‘(1st𝑈))‘𝑦))
161 fvun2 6412 . . . . . . . . . . . . 13 (((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑈)) “ (1...𝑀)) ∧ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) ∧ ((((2nd ‘(1st𝑈)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) = ∅ ∧ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))) → (((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = ((((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})‘𝑦))
162138, 141, 161mp3an12 1561 . . . . . . . . . . . 12 (((((2nd ‘(1st𝑈)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) = ∅ ∧ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → (((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = ((((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})‘𝑦))
163148, 162sylan 561 . . . . . . . . . . 11 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → (((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = ((((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})‘𝑦))
164139fvconst2 6612 . . . . . . . . . . . 12 (𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) → ((((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})‘𝑦) = 0)
165164adantl 467 . . . . . . . . . . 11 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → ((((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})‘𝑦) = 0)
166163, 165eqtrd 2804 . . . . . . . . . 10 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → (((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = 0)
167166adantr 466 . . . . . . . . 9 (((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) ∧ 𝑦 ∈ (1...𝑁)) → (((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = 0)
168135, 157, 158, 158, 159, 160, 167ofval 7052 . . . . . . . 8 (((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) ∧ 𝑦 ∈ (1...𝑁)) → (((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦) = (((1st ‘(1st𝑈))‘𝑦) + 0))
169131, 168mpdan 659 . . . . . . 7 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → (((1st ‘(1st𝑈)) ∘𝑓 + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦) = (((1st ‘(1st𝑈))‘𝑦) + 0))
170 elmapi 8030 . . . . . . . . . . . . 13 ((1st ‘(1st𝑈)) ∈ ((0..^𝐾) ↑𝑚 (1...𝑁)) → (1st ‘(1st𝑈)):(1...𝑁)⟶(0..^𝐾))
17123, 132, 1703syl 18 . . . . . . . . . . . 12 (𝜑 → (1st ‘(1st𝑈)):(1...𝑁)⟶(0..^𝐾))
172171ffvelrnda 6502 . . . . . . . . . . 11 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑈))‘𝑦) ∈ (0..^𝐾))
173 elfzonn0 12720 . . . . . . . . . . 11 (((1st ‘(1st𝑈))‘𝑦) ∈ (0..^𝐾) → ((1st ‘(1st𝑈))‘𝑦) ∈ ℕ0)
174172, 173syl 17 . . . . . . . . . 10 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑈))‘𝑦) ∈ ℕ0)
175174nn0cnd 11554 . . . . . . . . 9 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑈))‘𝑦) ∈ ℂ)
176175addid1d 10437 . . . . . . . 8 ((𝜑𝑦 ∈ (1...𝑁)) → (((1st ‘(1st𝑈))‘𝑦) + 0) = ((1st ‘(1st𝑈))‘𝑦))
177131, 176syldan 571 . . . . . . 7 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → (((1st ‘(1st𝑈))‘𝑦) + 0) = ((1st ‘(1st𝑈))‘𝑦))
178125, 169, 1773eqtrd 2808 . . . . . 6 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → ((𝐹𝑀)‘𝑦) = ((1st ‘(1st𝑈))‘𝑦))
17973, 178syldan 571 . . . . 5 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → ((𝐹𝑀)‘𝑦) = ((1st ‘(1st𝑈))‘𝑦))
180 fveq2 6332 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑇 → (2nd𝑡) = (2nd𝑇))
181180breq2d 4796 . . . . . . . . . . . . . . . . . 18 (𝑡 = 𝑇 → (𝑦 < (2nd𝑡) ↔ 𝑦 < (2nd𝑇)))
182181ifbid 4245 . . . . . . . . . . . . . . . . 17 (𝑡 = 𝑇 → if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) = if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)))
183182csbeq1d 3687 . . . . . . . . . . . . . . . 16 (𝑡 = 𝑇if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))) = if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))))
184 fveq2 6332 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑇 → (1st𝑡) = (1st𝑇))
185184fveq2d 6336 . . . . . . . . . . . . . . . . . 18 (𝑡 = 𝑇 → (1st ‘(1st𝑡)) = (1st ‘(1st𝑇)))
186184fveq2d 6336 . . . . . . . . . . . . . . . . . . . . 21 (𝑡 = 𝑇 → (2nd ‘(1st𝑡)) = (2nd ‘(1st𝑇)))
187186imaeq1d 5606 . . . . . . . . . . . . . . . . . . . 20 (𝑡 = 𝑇 → ((2nd ‘(1st𝑡)) “ (1...𝑗)) = ((2nd ‘(1st𝑇)) “ (1...𝑗)))
188187xpeq1d 5278 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑇 → (((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) = (((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}))
189186imaeq1d 5606 . . . . . . . . . . . . . . . . . . . 20 (𝑡 = 𝑇 → ((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) = ((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)))
190189xpeq1d 5278 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑇 → (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}) = (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))
191188, 190uneq12d 3917 . . . . . . . . . . . . . . . . . 18 (𝑡 = 𝑇 → ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0})) = ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0})))
192185, 191oveq12d 6810 . . . . . . . . . . . . . . . . 17 (𝑡 = 𝑇 → ((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))))
193192csbeq2dv 4134 . . . . . . . . . . . . . . . 16 (𝑡 = 𝑇if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))) = if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))))
194183, 193eqtrd 2804 . . . . . . . . . . . . . . 15 (𝑡 = 𝑇if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}))) = if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))))
195194mpteq2dv 4877 . . . . . . . . . . . . . 14 (𝑡 = 𝑇 → (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0})))) = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0})))))
196195eqeq2d 2780 . . . . . . . . . . . . 13 (𝑡 = 𝑇 → (𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑡)) ∘𝑓 + ((((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0})))) ↔ 𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))))))
197196, 5elrab2 3516 . . . . . . . . . . . 12 (𝑇𝑆 ↔ (𝑇 ∈ ((((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)) ∧ 𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))))))
198197simprbi 478 . . . . . . . . . . 11 (𝑇𝑆𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0})))))
1993, 198syl 17 . . . . . . . . . 10 (𝜑𝐹 = (𝑦 ∈ (0...(𝑁 − 1)) ↦ if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0})))))
200 breq1 4787 . . . . . . . . . . . . . 14 (𝑦 = 𝑀 → (𝑦 < (2nd𝑇) ↔ 𝑀 < (2nd𝑇)))
201200, 95ifbieq1d 4246 . . . . . . . . . . . . 13 (𝑦 = 𝑀 → if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) = if(𝑀 < (2nd𝑇), 𝑀, (𝑦 + 1)))
202 poimirlem12.3 . . . . . . . . . . . . . . 15 (𝜑 → (2nd𝑇) = 𝑁)
203103, 202breqtrrd 4812 . . . . . . . . . . . . . 14 (𝜑𝑀 < (2nd𝑇))
204203iftrued 4231 . . . . . . . . . . . . 13 (𝜑 → if(𝑀 < (2nd𝑇), 𝑀, (𝑦 + 1)) = 𝑀)
205201, 204sylan9eqr 2826 . . . . . . . . . . . 12 ((𝜑𝑦 = 𝑀) → if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) = 𝑀)
206205csbeq1d 3687 . . . . . . . . . . 11 ((𝜑𝑦 = 𝑀) → if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))) = 𝑀 / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))))
207109imaeq2d 5607 . . . . . . . . . . . . . . . . 17 (𝑗 = 𝑀 → ((2nd ‘(1st𝑇)) “ (1...𝑗)) = ((2nd ‘(1st𝑇)) “ (1...𝑀)))
208207xpeq1d 5278 . . . . . . . . . . . . . . . 16 (𝑗 = 𝑀 → (((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) = (((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}))
209113imaeq2d 5607 . . . . . . . . . . . . . . . . 17 (𝑗 = 𝑀 → ((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) = ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)))
210209xpeq1d 5278 . . . . . . . . . . . . . . . 16 (𝑗 = 𝑀 → (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}) = (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))
211208, 210uneq12d 3917 . . . . . . . . . . . . . . 15 (𝑗 = 𝑀 → ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0})) = ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})))
212211oveq2d 6808 . . . . . . . . . . . . . 14 (𝑗 = 𝑀 → ((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))))
213212adantl 467 . . . . . . . . . . . . 13 ((𝜑𝑗 = 𝑀) → ((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))))
21440, 213csbied 3707 . . . . . . . . . . . 12 (𝜑𝑀 / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))))
215214adantr 466 . . . . . . . . . . 11 ((𝜑𝑦 = 𝑀) → 𝑀 / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))))
216206, 215eqtrd 2804 . . . . . . . . . 10 ((𝜑𝑦 = 𝑀) → if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) / 𝑗((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))) = ((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))))
217 ovexd 6824 . . . . . . . . . 10 (𝜑 → ((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))) ∈ V)
218199, 216, 40, 217fvmptd 6430 . . . . . . . . 9 (𝜑 → (𝐹𝑀) = ((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))))
219218fveq1d 6334 . . . . . . . 8 (𝜑 → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦))
220219adantr 466 . . . . . . 7 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦))
22118sselda 3750 . . . . . . . 8 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → 𝑦 ∈ (1...𝑁))
222 xp1st 7346 . . . . . . . . . . 11 ((1st𝑇) ∈ (((0..^𝐾) ↑𝑚 (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) → (1st ‘(1st𝑇)) ∈ ((0..^𝐾) ↑𝑚 (1...𝑁)))
223 elmapfn 8031 . . . . . . . . . . 11 ((1st ‘(1st𝑇)) ∈ ((0..^𝐾) ↑𝑚 (1...𝑁)) → (1st ‘(1st𝑇)) Fn (1...𝑁))
2248, 222, 2233syl 18 . . . . . . . . . 10 (𝜑 → (1st ‘(1st𝑇)) Fn (1...𝑁))
225224adantr 466 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (1st ‘(1st𝑇)) Fn (1...𝑁))
226 fnconstg 6233 . . . . . . . . . . . . . 14 (1 ∈ V → (((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑇)) “ (1...𝑀)))
227136, 226ax-mp 5 . . . . . . . . . . . . 13 (((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑇)) “ (1...𝑀))
228 fnconstg 6233 . . . . . . . . . . . . . 14 (0 ∈ V → (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)))
229139, 228ax-mp 5 . . . . . . . . . . . . 13 (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))
230227, 229pm3.2i 447 . . . . . . . . . . . 12 ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)))
231 dff1o3 6284 . . . . . . . . . . . . . . 15 ((2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁) ↔ ((2nd ‘(1st𝑇)):(1...𝑁)–onto→(1...𝑁) ∧ Fun (2nd ‘(1st𝑇))))
232231simprbi 478 . . . . . . . . . . . . . 14 ((2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁) → Fun (2nd ‘(1st𝑇)))
233 imain 6114 . . . . . . . . . . . . . 14 (Fun (2nd ‘(1st𝑇)) → ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))))
23414, 232, 2333syl 18 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))))
23564imaeq2d 5607 . . . . . . . . . . . . . 14 (𝜑 → ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = ((2nd ‘(1st𝑇)) “ ∅))
236 ima0 5622 . . . . . . . . . . . . . 14 ((2nd ‘(1st𝑇)) “ ∅) = ∅
237235, 236syl6eq 2820 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = ∅)
238234, 237eqtr3d 2806 . . . . . . . . . . . 12 (𝜑 → (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))) = ∅)
239 fnun 6137 . . . . . . . . . . . 12 ((((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))) ∧ (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))) = ∅) → ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))))
240230, 238, 239sylancr 567 . . . . . . . . . . 11 (𝜑 → ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))))
241 imaundi 5686 . . . . . . . . . . . . 13 ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)))
24255imaeq2d 5607 . . . . . . . . . . . . . 14 (𝜑 → ((2nd ‘(1st𝑇)) “ (1...𝑁)) = ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))))
243 f1ofo 6285 . . . . . . . . . . . . . . 15 ((2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁) → (2nd ‘(1st𝑇)):(1...𝑁)–onto→(1...𝑁))
244 foima 6261 . . . . . . . . . . . . . . 15 ((2nd ‘(1st𝑇)):(1...𝑁)–onto→(1...𝑁) → ((2nd ‘(1st𝑇)) “ (1...𝑁)) = (1...𝑁))
24514, 243, 2443syl 18 . . . . . . . . . . . . . 14 (𝜑 → ((2nd ‘(1st𝑇)) “ (1...𝑁)) = (1...𝑁))
246242, 245eqtr3d 2806 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))) = (1...𝑁))
247241, 246syl5eqr 2818 . . . . . . . . . . . 12 (𝜑 → (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))) = (1...𝑁))
248247fneq2d 6122 . . . . . . . . . . 11 (𝜑 → (((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))) ↔ ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (1...𝑁)))
249240, 248mpbid 222 . . . . . . . . . 10 (𝜑 → ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (1...𝑁))
250249adantr 466 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (1...𝑁))
251 ovexd 6824 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (1...𝑁) ∈ V)
252 eqidd 2771 . . . . . . . . 9 (((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) ∧ 𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑇))‘𝑦) = ((1st ‘(1st𝑇))‘𝑦))
253 fvun1 6411 . . . . . . . . . . . . 13 (((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) ∧ ((((2nd ‘(1st𝑇)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))) = ∅ ∧ 𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)))) → (((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1})‘𝑦))
254227, 229, 253mp3an12 1561 . . . . . . . . . . . 12 (((((2nd ‘(1st𝑇)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))) = ∅ ∧ 𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1})‘𝑦))
255238, 254sylan 561 . . . . . . . . . . 11 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1})‘𝑦))
256136fvconst2 6612 . . . . . . . . . . . 12 (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) → ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1})‘𝑦) = 1)
257256adantl 467 . . . . . . . . . . 11 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1})‘𝑦) = 1)
258255, 257eqtrd 2804 . . . . . . . . . 10 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = 1)
259258adantr 466 . . . . . . . . 9 (((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) ∧ 𝑦 ∈ (1...𝑁)) → (((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = 1)
260225, 250, 251, 251, 159, 252, 259ofval 7052 . . . . . . . 8 (((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) ∧ 𝑦 ∈ (1...𝑁)) → (((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦) = (((1st ‘(1st𝑇))‘𝑦) + 1))
261221, 260mpdan 659 . . . . . . 7 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (((1st ‘(1st𝑇)) ∘𝑓 + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦) = (((1st ‘(1st𝑇))‘𝑦) + 1))
262220, 261eqtrd 2804 . . . . . 6 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑇))‘𝑦) + 1))
263262adantrr 688 . . . . 5 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑇))‘𝑦) + 1))
26446nngt0d 11265 . . . . . . . . . 10 (𝜑 → 0 < 𝑁)
265264, 104breqtrrd 4812 . . . . . . . . 9 (𝜑 → 0 < (2nd𝑈))
26646, 5, 19, 265poimirlem5 33740 . . . . . . . 8 (𝜑 → (𝐹‘0) = (1st ‘(1st𝑈)))
267264, 202breqtrrd 4812 . . . . . . . . 9 (𝜑 → 0 < (2nd𝑇))
26846, 5, 3, 267poimirlem5 33740 . . . . . . . 8 (𝜑 → (𝐹‘0) = (1st ‘(1st𝑇)))
269266, 268eqtr3d 2806 . . . . . . 7 (𝜑 → (1st ‘(1st𝑈)) = (1st ‘(1st𝑇)))
270269fveq1d 6334 . . . . . 6 (𝜑 → ((1st ‘(1st𝑈))‘𝑦) = ((1st ‘(1st𝑇))‘𝑦))
271270adantr 466 . . . . 5 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → ((1st ‘(1st𝑈))‘𝑦) = ((1st ‘(1st𝑇))‘𝑦))
272179, 263, 2713eqtr3d 2812 . . . 4 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → (((1st ‘(1st𝑇))‘𝑦) + 1) = ((1st ‘(1st𝑇))‘𝑦))
273 elmapi 8030 . . . . . . . . . . . 12 ((1st ‘(1st𝑇)) ∈ ((0..^𝐾) ↑𝑚 (1...𝑁)) → (1st ‘(1st𝑇)):(1...𝑁)⟶(0..^𝐾))
2748, 222, 2733syl 18 . . . . . . . . . . 11 (𝜑 → (1st ‘(1st𝑇)):(1...𝑁)⟶(0..^𝐾))
275274ffvelrnda 6502 . . . . . . . . . 10 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑇))‘𝑦) ∈ (0..^𝐾))
276 elfzonn0 12720 . . . . . . . . . 10 (((1st ‘(1st𝑇))‘𝑦) ∈ (0..^𝐾) → ((1st ‘(1st𝑇))‘𝑦) ∈ ℕ0)
277275, 276syl 17 . . . . . . . . 9 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑇))‘𝑦) ∈ ℕ0)
278277nn0red 11553 . . . . . . . 8 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑇))‘𝑦) ∈ ℝ)
279278ltp1d 11155 . . . . . . . 8 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑇))‘𝑦) < (((1st ‘(1st𝑇))‘𝑦) + 1))
280278, 279gtned 10373 . . . . . . 7 ((𝜑𝑦 ∈ (1...𝑁)) → (((1st ‘(1st𝑇))‘𝑦) + 1) ≠ ((1st ‘(1st𝑇))‘𝑦))
281221, 280syldan 571 . . . . . 6 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (((1st ‘(1st𝑇))‘𝑦) + 1) ≠ ((1st ‘(1st𝑇))‘𝑦))
282281neneqd 2947 . . . . 5 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → ¬ (((1st ‘(1st𝑇))‘𝑦) + 1) = ((1st ‘(1st𝑇))‘𝑦))
283282adantrr 688 . . . 4 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → ¬ (((1st ‘(1st𝑇))‘𝑦) + 1) = ((1st ‘(1st𝑇))‘𝑦))
284272, 283pm2.65da 800 . . 3 (𝜑 → ¬ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
285 iman 388 . . 3 ((𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) → 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀))) ↔ ¬ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
286284, 285sylibr 224 . 2 (𝜑 → (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) → 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
287286ssrdv 3756 1 (𝜑 → ((2nd ‘(1st𝑇)) “ (1...𝑀)) ⊆ ((2nd ‘(1st𝑈)) “ (1...𝑀)))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wa 382   = wceq 1630  wcel 2144  {cab 2756  wne 2942  {crab 3064  Vcvv 3349  csb 3680  cdif 3718  cun 3719  cin 3720  wss 3721  c0 4061  ifcif 4223  {csn 4314   class class class wbr 4784  cmpt 4861   × cxp 5247  ccnv 5248  ran crn 5250  cima 5252  Fun wfun 6025   Fn wfn 6026  wf 6027  ontowfo 6029  1-1-ontowf1o 6030  cfv 6031  (class class class)co 6792  𝑓 cof 7041  1st c1st 7312  2nd c2nd 7313  𝑚 cmap 8008  cc 10135  cr 10136  0cc0 10137  1c1 10138   + caddc 10140   < clt 10275  cle 10276  cmin 10467  cn 11221  0cn0 11493  cuz 11887  ...cfz 12532  ..^cfzo 12672
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1869  ax-4 1884  ax-5 1990  ax-6 2056  ax-7 2092  ax-8 2146  ax-9 2153  ax-10 2173  ax-11 2189  ax-12 2202  ax-13 2407  ax-ext 2750  ax-rep 4902  ax-sep 4912  ax-nul 4920  ax-pow 4971  ax-pr 5034  ax-un 7095  ax-cnex 10193  ax-resscn 10194  ax-1cn 10195  ax-icn 10196  ax-addcl 10197  ax-addrcl 10198  ax-mulcl 10199  ax-mulrcl 10200  ax-mulcom 10201  ax-addass 10202  ax-mulass 10203  ax-distr 10204  ax-i2m1 10205  ax-1ne0 10206  ax-1rid 10207  ax-rnegex 10208  ax-rrecex 10209  ax-cnre 10210  ax-pre-lttri 10211  ax-pre-lttrn 10212  ax-pre-ltadd 10213  ax-pre-mulgt0 10214
This theorem depends on definitions:  df-bi 197  df-an 383  df-or 827  df-3or 1071  df-3an 1072  df-tru 1633  df-ex 1852  df-nf 1857  df-sb 2049  df-eu 2621  df-mo 2622  df-clab 2757  df-cleq 2763  df-clel 2766  df-nfc 2901  df-ne 2943  df-nel 3046  df-ral 3065  df-rex 3066  df-reu 3067  df-rab 3069  df-v 3351  df-sbc 3586  df-csb 3681  df-dif 3724  df-un 3726  df-in 3728  df-ss 3735  df-pss 3737  df-nul 4062  df-if 4224  df-pw 4297  df-sn 4315  df-pr 4317  df-tp 4319  df-op 4321  df-uni 4573  df-iun 4654  df-br 4785  df-opab 4845  df-mpt 4862  df-tr 4885  df-id 5157  df-eprel 5162  df-po 5170  df-so 5171  df-fr 5208  df-we 5210  df-xp 5255  df-rel 5256  df-cnv 5257  df-co 5258  df-dm 5259  df-rn 5260  df-res 5261  df-ima 5262  df-pred 5823  df-ord 5869  df-on 5870  df-lim 5871  df-suc 5872  df-iota 5994  df-fun 6033  df-fn 6034  df-f 6035  df-f1 6036  df-fo 6037  df-f1o 6038  df-fv 6039  df-riota 6753  df-ov 6795  df-oprab 6796  df-mpt2 6797  df-of 7043  df-om 7212  df-1st 7314  df-2nd 7315  df-wrecs 7558  df-recs 7620  df-rdg 7658  df-er 7895  df-map 8010  df-en 8109  df-dom 8110  df-sdom 8111  df-pnf 10277  df-mnf 10278  df-xr 10279  df-ltxr 10280  df-le 10281  df-sub 10469  df-neg 10470  df-nn 11222  df-n0 11494  df-z 11579  df-uz 11888  df-fz 12533  df-fzo 12673
This theorem is referenced by:  poimirlem14  33749
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