Users' Mathboxes Mathbox for Brendan Leahy < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  poimirlem12 Structured version   Visualization version   GIF version

Theorem poimirlem12 34786
Description: Lemma for poimir 34807 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 3945 . . . . . . 7 (𝑦 ∈ (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))) ↔ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
2 imassrn 5934 . . . . . . . . . . . 12 ((2nd ‘(1st𝑇)) “ (1...𝑀)) ⊆ ran (2nd ‘(1st𝑇))
3 poimirlem12.2 . . . . . . . . . . . . . . . 16 (𝜑𝑇𝑆)
4 elrabi 3674 . . . . . . . . . . . . . . . . 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 2931 . . . . . . . . . . . . . . . 16 (𝑇𝑆𝑇 ∈ ((((0..^𝐾) ↑m (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)))
7 xp1st 7712 . . . . . . . . . . . . . . . 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 7713 . . . . . . . . . . . . . . 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 6677 . . . . . . . . . . . . . . 15 (2nd ‘(1st𝑇)) ∈ V
12 f1oeq1 6598 . . . . . . . . . . . . . . 15 (𝑓 = (2nd ‘(1st𝑇)) → (𝑓:(1...𝑁)–1-1-onto→(1...𝑁) ↔ (2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁)))
1311, 12elab 3666 . . . . . . . . . . . . . 14 ((2nd ‘(1st𝑇)) ∈ {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)} ↔ (2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁))
1410, 13sylib 219 . . . . . . . . . . . . 13 (𝜑 → (2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁))
15 f1of 6609 . . . . . . . . . . . . 13 ((2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁) → (2nd ‘(1st𝑇)):(1...𝑁)⟶(1...𝑁))
16 frn 6514 . . . . . . . . . . . . 13 ((2nd ‘(1st𝑇)):(1...𝑁)⟶(1...𝑁) → ran (2nd ‘(1st𝑇)) ⊆ (1...𝑁))
1714, 15, 163syl 18 . . . . . . . . . . . 12 (𝜑 → ran (2nd ‘(1st𝑇)) ⊆ (1...𝑁))
182, 17sstrid 3977 . . . . . . . . . . 11 (𝜑 → ((2nd ‘(1st𝑇)) “ (1...𝑀)) ⊆ (1...𝑁))
19 poimirlem12.4 . . . . . . . . . . . . . . 15 (𝜑𝑈𝑆)
20 elrabi 3674 . . . . . . . . . . . . . . . 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 2931 . . . . . . . . . . . . . . 15 (𝑈𝑆𝑈 ∈ ((((0..^𝐾) ↑m (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) × (0...𝑁)))
22 xp1st 7712 . . . . . . . . . . . . . . 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 7713 . . . . . . . . . . . . . 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 6677 . . . . . . . . . . . . . 14 (2nd ‘(1st𝑈)) ∈ V
27 f1oeq1 6598 . . . . . . . . . . . . . 14 (𝑓 = (2nd ‘(1st𝑈)) → (𝑓:(1...𝑁)–1-1-onto→(1...𝑁) ↔ (2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁)))
2826, 27elab 3666 . . . . . . . . . . . . 13 ((2nd ‘(1st𝑈)) ∈ {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)} ↔ (2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁))
2925, 28sylib 219 . . . . . . . . . . . 12 (𝜑 → (2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁))
30 f1ofo 6616 . . . . . . . . . . . 12 ((2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁) → (2nd ‘(1st𝑈)):(1...𝑁)–onto→(1...𝑁))
31 foima 6589 . . . . . . . . . . . 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, 32sseqtrrd 4007 . . . . . . . . . 10 (𝜑 → ((2nd ‘(1st𝑇)) “ (1...𝑀)) ⊆ ((2nd ‘(1st𝑈)) “ (1...𝑁)))
3433ssdifd 4116 . . . . . . . . 9 (𝜑 → (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))) ⊆ (((2nd ‘(1st𝑈)) “ (1...𝑁)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
35 dff1o3 6615 . . . . . . . . . . . 12 ((2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁) ↔ ((2nd ‘(1st𝑈)):(1...𝑁)–onto→(1...𝑁) ∧ Fun (2nd ‘(1st𝑈))))
3635simprbi 497 . . . . . . . . . . 11 ((2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁) → Fun (2nd ‘(1st𝑈)))
37 imadif 6432 . . . . . . . . . . 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 4427 . . . . . . . . . . . 12 ((((𝑀 + 1)...𝑁) ∪ (1...𝑀)) ∖ (1...𝑀)) = (((𝑀 + 1)...𝑁) ∖ (1...𝑀))
40 poimirlem12.6 . . . . . . . . . . . . . . . . 17 (𝜑𝑀 ∈ (0...(𝑁 − 1)))
41 elfznn0 12990 . . . . . . . . . . . . . . . . 17 (𝑀 ∈ (0...(𝑁 − 1)) → 𝑀 ∈ ℕ0)
42 nn0p1nn 11925 . . . . . . . . . . . . . . . . 17 (𝑀 ∈ ℕ0 → (𝑀 + 1) ∈ ℕ)
4340, 41, 423syl 18 . . . . . . . . . . . . . . . 16 (𝜑 → (𝑀 + 1) ∈ ℕ)
44 nnuz 12270 . . . . . . . . . . . . . . . 16 ℕ = (ℤ‘1)
4543, 44eleqtrdi 2923 . . . . . . . . . . . . . . 15 (𝜑 → (𝑀 + 1) ∈ (ℤ‘1))
46 poimir.0 . . . . . . . . . . . . . . . . . 18 (𝜑𝑁 ∈ ℕ)
4746nncnd 11643 . . . . . . . . . . . . . . . . 17 (𝜑𝑁 ∈ ℂ)
48 npcan1 11054 . . . . . . . . . . . . . . . . 17 (𝑁 ∈ ℂ → ((𝑁 − 1) + 1) = 𝑁)
4947, 48syl 17 . . . . . . . . . . . . . . . 16 (𝜑 → ((𝑁 − 1) + 1) = 𝑁)
50 elfzuz3 12895 . . . . . . . . . . . . . . . . 17 (𝑀 ∈ (0...(𝑁 − 1)) → (𝑁 − 1) ∈ (ℤ𝑀))
51 peano2uz 12290 . . . . . . . . . . . . . . . . 17 ((𝑁 − 1) ∈ (ℤ𝑀) → ((𝑁 − 1) + 1) ∈ (ℤ𝑀))
5240, 50, 513syl 18 . . . . . . . . . . . . . . . 16 (𝜑 → ((𝑁 − 1) + 1) ∈ (ℤ𝑀))
5349, 52eqeltrrd 2914 . . . . . . . . . . . . . . 15 (𝜑𝑁 ∈ (ℤ𝑀))
54 fzsplit2 12922 . . . . . . . . . . . . . . 15 (((𝑀 + 1) ∈ (ℤ‘1) ∧ 𝑁 ∈ (ℤ𝑀)) → (1...𝑁) = ((1...𝑀) ∪ ((𝑀 + 1)...𝑁)))
5545, 53, 54syl2anc 584 . . . . . . . . . . . . . 14 (𝜑 → (1...𝑁) = ((1...𝑀) ∪ ((𝑀 + 1)...𝑁)))
56 uncom 4128 . . . . . . . . . . . . . 14 ((1...𝑀) ∪ ((𝑀 + 1)...𝑁)) = (((𝑀 + 1)...𝑁) ∪ (1...𝑀))
5755, 56syl6eq 2872 . . . . . . . . . . . . 13 (𝜑 → (1...𝑁) = (((𝑀 + 1)...𝑁) ∪ (1...𝑀)))
5857difeq1d 4097 . . . . . . . . . . . 12 (𝜑 → ((1...𝑁) ∖ (1...𝑀)) = ((((𝑀 + 1)...𝑁) ∪ (1...𝑀)) ∖ (1...𝑀)))
59 incom 4177 . . . . . . . . . . . . . 14 (((𝑀 + 1)...𝑁) ∩ (1...𝑀)) = ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))
6040, 41syl 17 . . . . . . . . . . . . . . . . 17 (𝜑𝑀 ∈ ℕ0)
6160nn0red 11945 . . . . . . . . . . . . . . . 16 (𝜑𝑀 ∈ ℝ)
6261ltp1d 11559 . . . . . . . . . . . . . . 15 (𝜑𝑀 < (𝑀 + 1))
63 fzdisj 12924 . . . . . . . . . . . . . . 15 (𝑀 < (𝑀 + 1) → ((1...𝑀) ∩ ((𝑀 + 1)...𝑁)) = ∅)
6462, 63syl 17 . . . . . . . . . . . . . 14 (𝜑 → ((1...𝑀) ∩ ((𝑀 + 1)...𝑁)) = ∅)
6559, 64syl5eq 2868 . . . . . . . . . . . . 13 (𝜑 → (((𝑀 + 1)...𝑁) ∩ (1...𝑀)) = ∅)
66 disj3 4401 . . . . . . . . . . . . 13 ((((𝑀 + 1)...𝑁) ∩ (1...𝑀)) = ∅ ↔ ((𝑀 + 1)...𝑁) = (((𝑀 + 1)...𝑁) ∖ (1...𝑀)))
6765, 66sylib 219 . . . . . . . . . . . 12 (𝜑 → ((𝑀 + 1)...𝑁) = (((𝑀 + 1)...𝑁) ∖ (1...𝑀)))
6839, 58, 673eqtr4a 2882 . . . . . . . . . . 11 (𝜑 → ((1...𝑁) ∖ (1...𝑀)) = ((𝑀 + 1)...𝑁))
6968imaeq2d 5923 . . . . . . . . . 10 (𝜑 → ((2nd ‘(1st𝑈)) “ ((1...𝑁) ∖ (1...𝑀))) = ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
7038, 69eqtr3d 2858 . . . . . . . . 9 (𝜑 → (((2nd ‘(1st𝑈)) “ (1...𝑁)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))) = ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
7134, 70sseqtrd 4006 . . . . . . . 8 (𝜑 → (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀))) ⊆ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
7271sselda 3966 . . . . . . 7 ((𝜑𝑦 ∈ (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∖ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → 𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
731, 72sylan2br 594 . . . . . 6 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → 𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
74 fveq2 6664 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑈 → (2nd𝑡) = (2nd𝑈))
7574breq2d 5070 . . . . . . . . . . . . . . . . . 18 (𝑡 = 𝑈 → (𝑦 < (2nd𝑡) ↔ 𝑦 < (2nd𝑈)))
7675ifbid 4487 . . . . . . . . . . . . . . . . 17 (𝑡 = 𝑈 → if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) = if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)))
7776csbeq1d 3886 . . . . . . . . . . . . . . . 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 2fveq3 6669 . . . . . . . . . . . . . . . . . 18 (𝑡 = 𝑈 → (1st ‘(1st𝑡)) = (1st ‘(1st𝑈)))
79 2fveq3 6669 . . . . . . . . . . . . . . . . . . . . 21 (𝑡 = 𝑈 → (2nd ‘(1st𝑡)) = (2nd ‘(1st𝑈)))
8079imaeq1d 5922 . . . . . . . . . . . . . . . . . . . 20 (𝑡 = 𝑈 → ((2nd ‘(1st𝑡)) “ (1...𝑗)) = ((2nd ‘(1st𝑈)) “ (1...𝑗)))
8180xpeq1d 5578 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑈 → (((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) = (((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}))
8279imaeq1d 5922 . . . . . . . . . . . . . . . . . . . 20 (𝑡 = 𝑈 → ((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) = ((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)))
8382xpeq1d 5578 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑈 → (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}) = (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}))
8481, 83uneq12d 4139 . . . . . . . . . . . . . . . . . 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})))
8578, 84oveq12d 7163 . . . . . . . . . . . . . . . . 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}))))
8685csbeq2dv 3889 . . . . . . . . . . . . . . . 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}))))
8777, 86eqtrd 2856 . . . . . . . . . . . . . . 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}))))
8887mpteq2dv 5154 . . . . . . . . . . . . . 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})))))
8988eqeq2d 2832 . . . . . . . . . . . . 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}))))))
9089, 5elrab2 3682 . . . . . . . . . . . 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}))))))
9190simprbi 497 . . . . . . . . . . 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})))))
9219, 91syl 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})))))
93 breq1 5061 . . . . . . . . . . . . . 14 (𝑦 = 𝑀 → (𝑦 < (2nd𝑈) ↔ 𝑀 < (2nd𝑈)))
94 id 22 . . . . . . . . . . . . . 14 (𝑦 = 𝑀𝑦 = 𝑀)
9593, 94ifbieq1d 4488 . . . . . . . . . . . . 13 (𝑦 = 𝑀 → if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) = if(𝑀 < (2nd𝑈), 𝑀, (𝑦 + 1)))
9646nnred 11642 . . . . . . . . . . . . . . . . 17 (𝜑𝑁 ∈ ℝ)
97 peano2rem 10942 . . . . . . . . . . . . . . . . 17 (𝑁 ∈ ℝ → (𝑁 − 1) ∈ ℝ)
9896, 97syl 17 . . . . . . . . . . . . . . . 16 (𝜑 → (𝑁 − 1) ∈ ℝ)
99 elfzle2 12901 . . . . . . . . . . . . . . . . 17 (𝑀 ∈ (0...(𝑁 − 1)) → 𝑀 ≤ (𝑁 − 1))
10040, 99syl 17 . . . . . . . . . . . . . . . 16 (𝜑𝑀 ≤ (𝑁 − 1))
10196ltm1d 11561 . . . . . . . . . . . . . . . 16 (𝜑 → (𝑁 − 1) < 𝑁)
10261, 98, 96, 100, 101lelttrd 10787 . . . . . . . . . . . . . . 15 (𝜑𝑀 < 𝑁)
103 poimirlem12.5 . . . . . . . . . . . . . . 15 (𝜑 → (2nd𝑈) = 𝑁)
104102, 103breqtrrd 5086 . . . . . . . . . . . . . 14 (𝜑𝑀 < (2nd𝑈))
105104iftrued 4473 . . . . . . . . . . . . 13 (𝜑 → if(𝑀 < (2nd𝑈), 𝑀, (𝑦 + 1)) = 𝑀)
10695, 105sylan9eqr 2878 . . . . . . . . . . . 12 ((𝜑𝑦 = 𝑀) → if(𝑦 < (2nd𝑈), 𝑦, (𝑦 + 1)) = 𝑀)
107106csbeq1d 3886 . . . . . . . . . . 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}))))
108 oveq2 7153 . . . . . . . . . . . . . . . . . 18 (𝑗 = 𝑀 → (1...𝑗) = (1...𝑀))
109108imaeq2d 5923 . . . . . . . . . . . . . . . . 17 (𝑗 = 𝑀 → ((2nd ‘(1st𝑈)) “ (1...𝑗)) = ((2nd ‘(1st𝑈)) “ (1...𝑀)))
110109xpeq1d 5578 . . . . . . . . . . . . . . . 16 (𝑗 = 𝑀 → (((2nd ‘(1st𝑈)) “ (1...𝑗)) × {1}) = (((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}))
111 oveq1 7152 . . . . . . . . . . . . . . . . . . 19 (𝑗 = 𝑀 → (𝑗 + 1) = (𝑀 + 1))
112111oveq1d 7160 . . . . . . . . . . . . . . . . . 18 (𝑗 = 𝑀 → ((𝑗 + 1)...𝑁) = ((𝑀 + 1)...𝑁))
113112imaeq2d 5923 . . . . . . . . . . . . . . . . 17 (𝑗 = 𝑀 → ((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) = ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
114113xpeq1d 5578 . . . . . . . . . . . . . . . 16 (𝑗 = 𝑀 → (((2nd ‘(1st𝑈)) “ ((𝑗 + 1)...𝑁)) × {0}) = (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))
115110, 114uneq12d 4139 . . . . . . . . . . . . . . 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})))
116115oveq2d 7161 . . . . . . . . . . . . . 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}))))
117116adantl 482 . . . . . . . . . . . . 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}))))
11840, 117csbied 3918 . . . . . . . . . . . 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}))))
119118adantr 481 . . . . . . . . . . 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}))))
120107, 119eqtrd 2856 . . . . . . . . . 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}))))
121 ovexd 7180 . . . . . . . . . 10 (𝜑 → ((1st ‘(1st𝑈)) ∘f + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))) ∈ V)
12292, 120, 40, 121fvmptd 6768 . . . . . . . . 9 (𝜑 → (𝐹𝑀) = ((1st ‘(1st𝑈)) ∘f + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))))
123122fveq1d 6666 . . . . . . . 8 (𝜑 → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑈)) ∘f + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦))
124123adantr 481 . . . . . . 7 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑈)) ∘f + ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦))
125 imassrn 5934 . . . . . . . . . 10 ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) ⊆ ran (2nd ‘(1st𝑈))
126 f1of 6609 . . . . . . . . . . 11 ((2nd ‘(1st𝑈)):(1...𝑁)–1-1-onto→(1...𝑁) → (2nd ‘(1st𝑈)):(1...𝑁)⟶(1...𝑁))
127 frn 6514 . . . . . . . . . . 11 ((2nd ‘(1st𝑈)):(1...𝑁)⟶(1...𝑁) → ran (2nd ‘(1st𝑈)) ⊆ (1...𝑁))
12829, 126, 1273syl 18 . . . . . . . . . 10 (𝜑 → ran (2nd ‘(1st𝑈)) ⊆ (1...𝑁))
129125, 128sstrid 3977 . . . . . . . . 9 (𝜑 → ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) ⊆ (1...𝑁))
130129sselda 3966 . . . . . . . 8 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → 𝑦 ∈ (1...𝑁))
131 xp1st 7712 . . . . . . . . . . 11 ((1st𝑈) ∈ (((0..^𝐾) ↑m (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) → (1st ‘(1st𝑈)) ∈ ((0..^𝐾) ↑m (1...𝑁)))
132 elmapfn 8419 . . . . . . . . . . 11 ((1st ‘(1st𝑈)) ∈ ((0..^𝐾) ↑m (1...𝑁)) → (1st ‘(1st𝑈)) Fn (1...𝑁))
13323, 131, 1323syl 18 . . . . . . . . . 10 (𝜑 → (1st ‘(1st𝑈)) Fn (1...𝑁))
134133adantr 481 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → (1st ‘(1st𝑈)) Fn (1...𝑁))
135 1ex 10626 . . . . . . . . . . . . . 14 1 ∈ V
136 fnconstg 6561 . . . . . . . . . . . . . 14 (1 ∈ V → (((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑈)) “ (1...𝑀)))
137135, 136ax-mp 5 . . . . . . . . . . . . 13 (((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑈)) “ (1...𝑀))
138 c0ex 10624 . . . . . . . . . . . . . 14 0 ∈ V
139 fnconstg 6561 . . . . . . . . . . . . . 14 (0 ∈ V → (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
140138, 139ax-mp 5 . . . . . . . . . . . . 13 (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))
141137, 140pm3.2i 471 . . . . . . . . . . . 12 ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑈)) “ (1...𝑀)) ∧ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
142 imain 6433 . . . . . . . . . . . . . 14 (Fun (2nd ‘(1st𝑈)) → ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))))
14329, 36, 1423syl 18 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))))
14464imaeq2d 5923 . . . . . . . . . . . . . 14 (𝜑 → ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = ((2nd ‘(1st𝑈)) “ ∅))
145 ima0 5939 . . . . . . . . . . . . . 14 ((2nd ‘(1st𝑈)) “ ∅) = ∅
146144, 145syl6eq 2872 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = ∅)
147143, 146eqtr3d 2858 . . . . . . . . . . . 12 (𝜑 → (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) = ∅)
148 fnun 6457 . . . . . . . . . . . 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))))
149141, 147, 148sylancr 587 . . . . . . . . . . 11 (𝜑 → ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))))
150 imaundi 6002 . . . . . . . . . . . . 13 ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)))
15155imaeq2d 5923 . . . . . . . . . . . . . 14 (𝜑 → ((2nd ‘(1st𝑈)) “ (1...𝑁)) = ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))))
152151, 32eqtr3d 2858 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑈)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))) = (1...𝑁))
153150, 152syl5eqr 2870 . . . . . . . . . . . 12 (𝜑 → (((2nd ‘(1st𝑈)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) = (1...𝑁))
154153fneq2d 6441 . . . . . . . . . . 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)))
155149, 154mpbid 233 . . . . . . . . . 10 (𝜑 → ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (1...𝑁))
156155adantr 481 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → ((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (1...𝑁))
157 ovexd 7180 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → (1...𝑁) ∈ V)
158 inidm 4194 . . . . . . . . 9 ((1...𝑁) ∩ (1...𝑁)) = (1...𝑁)
159 eqidd 2822 . . . . . . . . 9 (((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) ∧ 𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑈))‘𝑦) = ((1st ‘(1st𝑈))‘𝑦))
160 fvun2 6749 . . . . . . . . . . . . 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))
161137, 140, 160mp3an12 1442 . . . . . . . . . . . 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))
162147, 161sylan 580 . . . . . . . . . . 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))
163138fvconst2 6959 . . . . . . . . . . . 12 (𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) → ((((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})‘𝑦) = 0)
164163adantl 482 . . . . . . . . . . 11 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → ((((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0})‘𝑦) = 0)
165162, 164eqtrd 2856 . . . . . . . . . 10 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → (((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = 0)
166165adantr 481 . . . . . . . . 9 (((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) ∧ 𝑦 ∈ (1...𝑁)) → (((((2nd ‘(1st𝑈)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = 0)
167134, 156, 157, 157, 158, 159, 166ofval 7407 . . . . . . . 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))
168130, 167mpdan 683 . . . . . . 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))
169 elmapi 8418 . . . . . . . . . . . . 13 ((1st ‘(1st𝑈)) ∈ ((0..^𝐾) ↑m (1...𝑁)) → (1st ‘(1st𝑈)):(1...𝑁)⟶(0..^𝐾))
17023, 131, 1693syl 18 . . . . . . . . . . . 12 (𝜑 → (1st ‘(1st𝑈)):(1...𝑁)⟶(0..^𝐾))
171170ffvelrnda 6844 . . . . . . . . . . 11 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑈))‘𝑦) ∈ (0..^𝐾))
172 elfzonn0 13072 . . . . . . . . . . 11 (((1st ‘(1st𝑈))‘𝑦) ∈ (0..^𝐾) → ((1st ‘(1st𝑈))‘𝑦) ∈ ℕ0)
173171, 172syl 17 . . . . . . . . . 10 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑈))‘𝑦) ∈ ℕ0)
174173nn0cnd 11946 . . . . . . . . 9 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑈))‘𝑦) ∈ ℂ)
175174addid1d 10829 . . . . . . . 8 ((𝜑𝑦 ∈ (1...𝑁)) → (((1st ‘(1st𝑈))‘𝑦) + 0) = ((1st ‘(1st𝑈))‘𝑦))
176130, 175syldan 591 . . . . . . 7 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → (((1st ‘(1st𝑈))‘𝑦) + 0) = ((1st ‘(1st𝑈))‘𝑦))
177124, 168, 1763eqtrd 2860 . . . . . 6 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑈)) “ ((𝑀 + 1)...𝑁))) → ((𝐹𝑀)‘𝑦) = ((1st ‘(1st𝑈))‘𝑦))
17873, 177syldan 591 . . . . 5 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → ((𝐹𝑀)‘𝑦) = ((1st ‘(1st𝑈))‘𝑦))
179 fveq2 6664 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑇 → (2nd𝑡) = (2nd𝑇))
180179breq2d 5070 . . . . . . . . . . . . . . . . . 18 (𝑡 = 𝑇 → (𝑦 < (2nd𝑡) ↔ 𝑦 < (2nd𝑇)))
181180ifbid 4487 . . . . . . . . . . . . . . . . 17 (𝑡 = 𝑇 → if(𝑦 < (2nd𝑡), 𝑦, (𝑦 + 1)) = if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)))
182181csbeq1d 3886 . . . . . . . . . . . . . . . 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}))))
183 2fveq3 6669 . . . . . . . . . . . . . . . . . 18 (𝑡 = 𝑇 → (1st ‘(1st𝑡)) = (1st ‘(1st𝑇)))
184 2fveq3 6669 . . . . . . . . . . . . . . . . . . . . 21 (𝑡 = 𝑇 → (2nd ‘(1st𝑡)) = (2nd ‘(1st𝑇)))
185184imaeq1d 5922 . . . . . . . . . . . . . . . . . . . 20 (𝑡 = 𝑇 → ((2nd ‘(1st𝑡)) “ (1...𝑗)) = ((2nd ‘(1st𝑇)) “ (1...𝑗)))
186185xpeq1d 5578 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑇 → (((2nd ‘(1st𝑡)) “ (1...𝑗)) × {1}) = (((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}))
187184imaeq1d 5922 . . . . . . . . . . . . . . . . . . . 20 (𝑡 = 𝑇 → ((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) = ((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)))
188187xpeq1d 5578 . . . . . . . . . . . . . . . . . . 19 (𝑡 = 𝑇 → (((2nd ‘(1st𝑡)) “ ((𝑗 + 1)...𝑁)) × {0}) = (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}))
189186, 188uneq12d 4139 . . . . . . . . . . . . . . . . . 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})))
190183, 189oveq12d 7163 . . . . . . . . . . . . . . . . 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}))))
191190csbeq2dv 3889 . . . . . . . . . . . . . . . 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}))))
192182, 191eqtrd 2856 . . . . . . . . . . . . . . 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}))))
193192mpteq2dv 5154 . . . . . . . . . . . . . 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})))))
194193eqeq2d 2832 . . . . . . . . . . . . 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}))))))
195194, 5elrab2 3682 . . . . . . . . . . . 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}))))))
196195simprbi 497 . . . . . . . . . . 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})))))
1973, 196syl 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})))))
198 breq1 5061 . . . . . . . . . . . . . 14 (𝑦 = 𝑀 → (𝑦 < (2nd𝑇) ↔ 𝑀 < (2nd𝑇)))
199198, 94ifbieq1d 4488 . . . . . . . . . . . . 13 (𝑦 = 𝑀 → if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) = if(𝑀 < (2nd𝑇), 𝑀, (𝑦 + 1)))
200 poimirlem12.3 . . . . . . . . . . . . . . 15 (𝜑 → (2nd𝑇) = 𝑁)
201102, 200breqtrrd 5086 . . . . . . . . . . . . . 14 (𝜑𝑀 < (2nd𝑇))
202201iftrued 4473 . . . . . . . . . . . . 13 (𝜑 → if(𝑀 < (2nd𝑇), 𝑀, (𝑦 + 1)) = 𝑀)
203199, 202sylan9eqr 2878 . . . . . . . . . . . 12 ((𝜑𝑦 = 𝑀) → if(𝑦 < (2nd𝑇), 𝑦, (𝑦 + 1)) = 𝑀)
204203csbeq1d 3886 . . . . . . . . . . 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}))))
205108imaeq2d 5923 . . . . . . . . . . . . . . . . 17 (𝑗 = 𝑀 → ((2nd ‘(1st𝑇)) “ (1...𝑗)) = ((2nd ‘(1st𝑇)) “ (1...𝑀)))
206205xpeq1d 5578 . . . . . . . . . . . . . . . 16 (𝑗 = 𝑀 → (((2nd ‘(1st𝑇)) “ (1...𝑗)) × {1}) = (((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}))
207112imaeq2d 5923 . . . . . . . . . . . . . . . . 17 (𝑗 = 𝑀 → ((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) = ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)))
208207xpeq1d 5578 . . . . . . . . . . . . . . . 16 (𝑗 = 𝑀 → (((2nd ‘(1st𝑇)) “ ((𝑗 + 1)...𝑁)) × {0}) = (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))
209206, 208uneq12d 4139 . . . . . . . . . . . . . . 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})))
210209oveq2d 7161 . . . . . . . . . . . . . 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}))))
211210adantl 482 . . . . . . . . . . . . 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}))))
21240, 211csbied 3918 . . . . . . . . . . . 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}))))
213212adantr 481 . . . . . . . . . . 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}))))
214204, 213eqtrd 2856 . . . . . . . . . 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}))))
215 ovexd 7180 . . . . . . . . . 10 (𝜑 → ((1st ‘(1st𝑇)) ∘f + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))) ∈ V)
216197, 214, 40, 215fvmptd 6768 . . . . . . . . 9 (𝜑 → (𝐹𝑀) = ((1st ‘(1st𝑇)) ∘f + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))))
217216fveq1d 6666 . . . . . . . 8 (𝜑 → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑇)) ∘f + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦))
218217adantr 481 . . . . . . 7 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑇)) ∘f + ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})))‘𝑦))
21918sselda 3966 . . . . . . . 8 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → 𝑦 ∈ (1...𝑁))
220 xp1st 7712 . . . . . . . . . . 11 ((1st𝑇) ∈ (((0..^𝐾) ↑m (1...𝑁)) × {𝑓𝑓:(1...𝑁)–1-1-onto→(1...𝑁)}) → (1st ‘(1st𝑇)) ∈ ((0..^𝐾) ↑m (1...𝑁)))
221 elmapfn 8419 . . . . . . . . . . 11 ((1st ‘(1st𝑇)) ∈ ((0..^𝐾) ↑m (1...𝑁)) → (1st ‘(1st𝑇)) Fn (1...𝑁))
2228, 220, 2213syl 18 . . . . . . . . . 10 (𝜑 → (1st ‘(1st𝑇)) Fn (1...𝑁))
223222adantr 481 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (1st ‘(1st𝑇)) Fn (1...𝑁))
224 fnconstg 6561 . . . . . . . . . . . . . 14 (1 ∈ V → (((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑇)) “ (1...𝑀)))
225135, 224ax-mp 5 . . . . . . . . . . . . 13 (((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑇)) “ (1...𝑀))
226 fnconstg 6561 . . . . . . . . . . . . . 14 (0 ∈ V → (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)))
227138, 226ax-mp 5 . . . . . . . . . . . . 13 (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))
228225, 227pm3.2i 471 . . . . . . . . . . . 12 ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) Fn ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}) Fn ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)))
229 dff1o3 6615 . . . . . . . . . . . . . . 15 ((2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁) ↔ ((2nd ‘(1st𝑇)):(1...𝑁)–onto→(1...𝑁) ∧ Fun (2nd ‘(1st𝑇))))
230229simprbi 497 . . . . . . . . . . . . . 14 ((2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁) → Fun (2nd ‘(1st𝑇)))
231 imain 6433 . . . . . . . . . . . . . 14 (Fun (2nd ‘(1st𝑇)) → ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))))
23214, 230, 2313syl 18 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))))
23364imaeq2d 5923 . . . . . . . . . . . . . 14 (𝜑 → ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = ((2nd ‘(1st𝑇)) “ ∅))
234 ima0 5939 . . . . . . . . . . . . . 14 ((2nd ‘(1st𝑇)) “ ∅) = ∅
235233, 234syl6eq 2872 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∩ ((𝑀 + 1)...𝑁))) = ∅)
236232, 235eqtr3d 2858 . . . . . . . . . . . 12 (𝜑 → (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∩ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))) = ∅)
237 fnun 6457 . . . . . . . . . . . 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))))
238228, 236, 237sylancr 587 . . . . . . . . . . 11 (𝜑 → ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))))
239 imaundi 6002 . . . . . . . . . . . . 13 ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))) = (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)))
24055imaeq2d 5923 . . . . . . . . . . . . . 14 (𝜑 → ((2nd ‘(1st𝑇)) “ (1...𝑁)) = ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))))
241 f1ofo 6616 . . . . . . . . . . . . . . 15 ((2nd ‘(1st𝑇)):(1...𝑁)–1-1-onto→(1...𝑁) → (2nd ‘(1st𝑇)):(1...𝑁)–onto→(1...𝑁))
242 foima 6589 . . . . . . . . . . . . . . 15 ((2nd ‘(1st𝑇)):(1...𝑁)–onto→(1...𝑁) → ((2nd ‘(1st𝑇)) “ (1...𝑁)) = (1...𝑁))
24314, 241, 2423syl 18 . . . . . . . . . . . . . 14 (𝜑 → ((2nd ‘(1st𝑇)) “ (1...𝑁)) = (1...𝑁))
244240, 243eqtr3d 2858 . . . . . . . . . . . . 13 (𝜑 → ((2nd ‘(1st𝑇)) “ ((1...𝑀) ∪ ((𝑀 + 1)...𝑁))) = (1...𝑁))
245239, 244syl5eqr 2870 . . . . . . . . . . . 12 (𝜑 → (((2nd ‘(1st𝑇)) “ (1...𝑀)) ∪ ((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁))) = (1...𝑁))
246245fneq2d 6441 . . . . . . . . . . 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)))
247238, 246mpbid 233 . . . . . . . . . 10 (𝜑 → ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (1...𝑁))
248247adantr 481 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0})) Fn (1...𝑁))
249 ovexd 7180 . . . . . . . . 9 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (1...𝑁) ∈ V)
250 eqidd 2822 . . . . . . . . 9 (((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) ∧ 𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑇))‘𝑦) = ((1st ‘(1st𝑇))‘𝑦))
251 fvun1 6748 . . . . . . . . . . . . 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))
252225, 227, 251mp3an12 1442 . . . . . . . . . . . 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))
253236, 252sylan 580 . . . . . . . . . . 11 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1})‘𝑦))
254135fvconst2 6959 . . . . . . . . . . . 12 (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) → ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1})‘𝑦) = 1)
255254adantl 482 . . . . . . . . . . 11 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → ((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1})‘𝑦) = 1)
256253, 255eqtrd 2856 . . . . . . . . . 10 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = 1)
257256adantr 481 . . . . . . . . 9 (((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) ∧ 𝑦 ∈ (1...𝑁)) → (((((2nd ‘(1st𝑇)) “ (1...𝑀)) × {1}) ∪ (((2nd ‘(1st𝑇)) “ ((𝑀 + 1)...𝑁)) × {0}))‘𝑦) = 1)
258223, 248, 249, 249, 158, 250, 257ofval 7407 . . . . . . . 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))
259219, 258mpdan 683 . . . . . . 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))
260218, 259eqtrd 2856 . . . . . 6 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑇))‘𝑦) + 1))
261260adantrr 713 . . . . 5 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → ((𝐹𝑀)‘𝑦) = (((1st ‘(1st𝑇))‘𝑦) + 1))
26246nngt0d 11675 . . . . . . . . . 10 (𝜑 → 0 < 𝑁)
263262, 103breqtrrd 5086 . . . . . . . . 9 (𝜑 → 0 < (2nd𝑈))
26446, 5, 19, 263poimirlem5 34779 . . . . . . . 8 (𝜑 → (𝐹‘0) = (1st ‘(1st𝑈)))
265262, 200breqtrrd 5086 . . . . . . . . 9 (𝜑 → 0 < (2nd𝑇))
26646, 5, 3, 265poimirlem5 34779 . . . . . . . 8 (𝜑 → (𝐹‘0) = (1st ‘(1st𝑇)))
267264, 266eqtr3d 2858 . . . . . . 7 (𝜑 → (1st ‘(1st𝑈)) = (1st ‘(1st𝑇)))
268267fveq1d 6666 . . . . . 6 (𝜑 → ((1st ‘(1st𝑈))‘𝑦) = ((1st ‘(1st𝑇))‘𝑦))
269268adantr 481 . . . . 5 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → ((1st ‘(1st𝑈))‘𝑦) = ((1st ‘(1st𝑇))‘𝑦))
270178, 261, 2693eqtr3d 2864 . . . 4 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → (((1st ‘(1st𝑇))‘𝑦) + 1) = ((1st ‘(1st𝑇))‘𝑦))
271 elmapi 8418 . . . . . . . . . . . 12 ((1st ‘(1st𝑇)) ∈ ((0..^𝐾) ↑m (1...𝑁)) → (1st ‘(1st𝑇)):(1...𝑁)⟶(0..^𝐾))
2728, 220, 2713syl 18 . . . . . . . . . . 11 (𝜑 → (1st ‘(1st𝑇)):(1...𝑁)⟶(0..^𝐾))
273272ffvelrnda 6844 . . . . . . . . . 10 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑇))‘𝑦) ∈ (0..^𝐾))
274 elfzonn0 13072 . . . . . . . . . 10 (((1st ‘(1st𝑇))‘𝑦) ∈ (0..^𝐾) → ((1st ‘(1st𝑇))‘𝑦) ∈ ℕ0)
275273, 274syl 17 . . . . . . . . 9 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑇))‘𝑦) ∈ ℕ0)
276275nn0red 11945 . . . . . . . 8 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑇))‘𝑦) ∈ ℝ)
277276ltp1d 11559 . . . . . . . 8 ((𝜑𝑦 ∈ (1...𝑁)) → ((1st ‘(1st𝑇))‘𝑦) < (((1st ‘(1st𝑇))‘𝑦) + 1))
278276, 277gtned 10764 . . . . . . 7 ((𝜑𝑦 ∈ (1...𝑁)) → (((1st ‘(1st𝑇))‘𝑦) + 1) ≠ ((1st ‘(1st𝑇))‘𝑦))
279219, 278syldan 591 . . . . . 6 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → (((1st ‘(1st𝑇))‘𝑦) + 1) ≠ ((1st ‘(1st𝑇))‘𝑦))
280279neneqd 3021 . . . . 5 ((𝜑𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀))) → ¬ (((1st ‘(1st𝑇))‘𝑦) + 1) = ((1st ‘(1st𝑇))‘𝑦))
281280adantrr 713 . . . 4 ((𝜑 ∧ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀)))) → ¬ (((1st ‘(1st𝑇))‘𝑦) + 1) = ((1st ‘(1st𝑇))‘𝑦))
282270, 281pm2.65da 813 . . 3 (𝜑 → ¬ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
283 iman 402 . . 3 ((𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) → 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀))) ↔ ¬ (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) ∧ ¬ 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
284282, 283sylibr 235 . 2 (𝜑 → (𝑦 ∈ ((2nd ‘(1st𝑇)) “ (1...𝑀)) → 𝑦 ∈ ((2nd ‘(1st𝑈)) “ (1...𝑀))))
285284ssrdv 3972 1 (𝜑 → ((2nd ‘(1st𝑇)) “ (1...𝑀)) ⊆ ((2nd ‘(1st𝑈)) “ (1...𝑀)))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wa 396   = wceq 1528  wcel 2105  {cab 2799  wne 3016  {crab 3142  Vcvv 3495  csb 3882  cdif 3932  cun 3933  cin 3934  wss 3935  c0 4290  ifcif 4465  {csn 4559   class class class wbr 5058  cmpt 5138   × cxp 5547  ccnv 5548  ran crn 5550  cima 5552  Fun wfun 6343   Fn wfn 6344  wf 6345  ontowfo 6347  1-1-ontowf1o 6348  cfv 6349  (class class class)co 7145  f cof 7396  1st c1st 7678  2nd c2nd 7679  m cmap 8396  cc 10524  cr 10525  0cc0 10526  1c1 10527   + caddc 10529   < clt 10664  cle 10665  cmin 10859  cn 11627  0cn0 11886  cuz 12232  ...cfz 12882  ..^cfzo 13023
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1787  ax-4 1801  ax-5 1902  ax-6 1961  ax-7 2006  ax-8 2107  ax-9 2115  ax-10 2136  ax-11 2151  ax-12 2167  ax-ext 2793  ax-rep 5182  ax-sep 5195  ax-nul 5202  ax-pow 5258  ax-pr 5321  ax-un 7450  ax-cnex 10582  ax-resscn 10583  ax-1cn 10584  ax-icn 10585  ax-addcl 10586  ax-addrcl 10587  ax-mulcl 10588  ax-mulrcl 10589  ax-mulcom 10590  ax-addass 10591  ax-mulass 10592  ax-distr 10593  ax-i2m1 10594  ax-1ne0 10595  ax-1rid 10596  ax-rnegex 10597  ax-rrecex 10598  ax-cnre 10599  ax-pre-lttri 10600  ax-pre-lttrn 10601  ax-pre-ltadd 10602  ax-pre-mulgt0 10603
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 842  df-3or 1080  df-3an 1081  df-tru 1531  df-ex 1772  df-nf 1776  df-sb 2061  df-mo 2618  df-eu 2650  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-nel 3124  df-ral 3143  df-rex 3144  df-reu 3145  df-rab 3147  df-v 3497  df-sbc 3772  df-csb 3883  df-dif 3938  df-un 3940  df-in 3942  df-ss 3951  df-pss 3953  df-nul 4291  df-if 4466  df-pw 4539  df-sn 4560  df-pr 4562  df-tp 4564  df-op 4566  df-uni 4833  df-iun 4914  df-br 5059  df-opab 5121  df-mpt 5139  df-tr 5165  df-id 5454  df-eprel 5459  df-po 5468  df-so 5469  df-fr 5508  df-we 5510  df-xp 5555  df-rel 5556  df-cnv 5557  df-co 5558  df-dm 5559  df-rn 5560  df-res 5561  df-ima 5562  df-pred 6142  df-ord 6188  df-on 6189  df-lim 6190  df-suc 6191  df-iota 6308  df-fun 6351  df-fn 6352  df-f 6353  df-f1 6354  df-fo 6355  df-f1o 6356  df-fv 6357  df-riota 7103  df-ov 7148  df-oprab 7149  df-mpo 7150  df-of 7398  df-om 7569  df-1st 7680  df-2nd 7681  df-wrecs 7938  df-recs 7999  df-rdg 8037  df-er 8279  df-map 8398  df-en 8499  df-dom 8500  df-sdom 8501  df-pnf 10666  df-mnf 10667  df-xr 10668  df-ltxr 10669  df-le 10670  df-sub 10861  df-neg 10862  df-nn 11628  df-n0 11887  df-z 11971  df-uz 12233  df-fz 12883  df-fzo 13024
This theorem is referenced by:  poimirlem14  34788
  Copyright terms: Public domain W3C validator