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| Mirrors > Home > MPE Home > Th. List > Mathboxes > neicvgmex | Structured version Visualization version GIF version | ||
| Description: If the neighborhoods and convergents functions are related, the convergents function exists. (Contributed by RP, 27-Jun-2021.) |
| Ref | Expression |
|---|---|
| neicvg.o | ⊢ 𝑂 = (𝑖 ∈ V, 𝑗 ∈ V ↦ (𝑘 ∈ (𝒫 𝑗 ↑m 𝑖) ↦ (𝑙 ∈ 𝑗 ↦ {𝑚 ∈ 𝑖 ∣ 𝑙 ∈ (𝑘‘𝑚)}))) |
| neicvg.p | ⊢ 𝑃 = (𝑛 ∈ V ↦ (𝑝 ∈ (𝒫 𝑛 ↑m 𝒫 𝑛) ↦ (𝑜 ∈ 𝒫 𝑛 ↦ (𝑛 ∖ (𝑝‘(𝑛 ∖ 𝑜)))))) |
| neicvg.d | ⊢ 𝐷 = (𝑃‘𝐵) |
| neicvg.f | ⊢ 𝐹 = (𝒫 𝐵𝑂𝐵) |
| neicvg.g | ⊢ 𝐺 = (𝐵𝑂𝒫 𝐵) |
| neicvg.h | ⊢ 𝐻 = (𝐹 ∘ (𝐷 ∘ 𝐺)) |
| neicvg.r | ⊢ (𝜑 → 𝑁𝐻𝑀) |
| Ref | Expression |
|---|---|
| neicvgmex | ⊢ (𝜑 → 𝑀 ∈ (𝒫 𝒫 𝐵 ↑m 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | neicvg.o | . 2 ⊢ 𝑂 = (𝑖 ∈ V, 𝑗 ∈ V ↦ (𝑘 ∈ (𝒫 𝑗 ↑m 𝑖) ↦ (𝑙 ∈ 𝑗 ↦ {𝑚 ∈ 𝑖 ∣ 𝑙 ∈ (𝑘‘𝑚)}))) | |
| 2 | neicvg.f | . 2 ⊢ 𝐹 = (𝒫 𝐵𝑂𝐵) | |
| 3 | neicvg.d | . . . . 5 ⊢ 𝐷 = (𝑃‘𝐵) | |
| 4 | neicvg.h | . . . . 5 ⊢ 𝐻 = (𝐹 ∘ (𝐷 ∘ 𝐺)) | |
| 5 | neicvg.r | . . . . 5 ⊢ (𝜑 → 𝑁𝐻𝑀) | |
| 6 | 3, 4, 5 | neicvgbex 44729 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ V) |
| 7 | pwexg 5350 | . . . . . . . 8 ⊢ (𝐵 ∈ V → 𝒫 𝐵 ∈ V) | |
| 8 | 7 | adantl 486 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝒫 𝐵 ∈ V) |
| 9 | simpr 489 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝐵 ∈ V) | |
| 10 | 1, 8, 9, 2 | fsovf1od 44633 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝐹:(𝒫 𝐵 ↑m 𝒫 𝐵)–1-1-onto→(𝒫 𝒫 𝐵 ↑m 𝐵)) |
| 11 | f1ofn 6822 | . . . . . 6 ⊢ (𝐹:(𝒫 𝐵 ↑m 𝒫 𝐵)–1-1-onto→(𝒫 𝒫 𝐵 ↑m 𝐵) → 𝐹 Fn (𝒫 𝐵 ↑m 𝒫 𝐵)) | |
| 12 | 10, 11 | syl 18 | . . . . 5 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝐹 Fn (𝒫 𝐵 ↑m 𝒫 𝐵)) |
| 13 | neicvg.p | . . . . . . 7 ⊢ 𝑃 = (𝑛 ∈ V ↦ (𝑝 ∈ (𝒫 𝑛 ↑m 𝒫 𝑛) ↦ (𝑜 ∈ 𝒫 𝑛 ↦ (𝑛 ∖ (𝑝‘(𝑛 ∖ 𝑜)))))) | |
| 14 | 13, 3, 9 | dssmapf1od 44638 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝐷:(𝒫 𝐵 ↑m 𝒫 𝐵)–1-1-onto→(𝒫 𝐵 ↑m 𝒫 𝐵)) |
| 15 | f1of 6821 | . . . . . 6 ⊢ (𝐷:(𝒫 𝐵 ↑m 𝒫 𝐵)–1-1-onto→(𝒫 𝐵 ↑m 𝒫 𝐵) → 𝐷:(𝒫 𝐵 ↑m 𝒫 𝐵)⟶(𝒫 𝐵 ↑m 𝒫 𝐵)) | |
| 16 | 14, 15 | syl 18 | . . . . 5 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝐷:(𝒫 𝐵 ↑m 𝒫 𝐵)⟶(𝒫 𝐵 ↑m 𝒫 𝐵)) |
| 17 | neicvg.g | . . . . . 6 ⊢ 𝐺 = (𝐵𝑂𝒫 𝐵) | |
| 18 | 1, 9, 8, 17 | fsovfd 44629 | . . . . 5 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝐺:(𝒫 𝒫 𝐵 ↑m 𝐵)⟶(𝒫 𝐵 ↑m 𝒫 𝐵)) |
| 19 | 4 | breqi 5119 | . . . . . . 7 ⊢ (𝑁𝐻𝑀 ↔ 𝑁(𝐹 ∘ (𝐷 ∘ 𝐺))𝑀) |
| 20 | 5, 19 | sylib 221 | . . . . . 6 ⊢ (𝜑 → 𝑁(𝐹 ∘ (𝐷 ∘ 𝐺))𝑀) |
| 21 | 20 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝑁(𝐹 ∘ (𝐷 ∘ 𝐺))𝑀) |
| 22 | 12, 16, 18, 21 | brcofffn 44648 | . . . 4 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → (𝑁𝐺(𝐺‘𝑁) ∧ (𝐺‘𝑁)𝐷(𝐷‘(𝐺‘𝑁)) ∧ (𝐷‘(𝐺‘𝑁))𝐹𝑀)) |
| 23 | 6, 22 | mpdan 699 | . . 3 ⊢ (𝜑 → (𝑁𝐺(𝐺‘𝑁) ∧ (𝐺‘𝑁)𝐷(𝐷‘(𝐺‘𝑁)) ∧ (𝐷‘(𝐺‘𝑁))𝐹𝑀)) |
| 24 | 23 | simp3d 1160 | . 2 ⊢ (𝜑 → (𝐷‘(𝐺‘𝑁))𝐹𝑀) |
| 25 | 1, 2, 24 | ntrneinex 44694 | 1 ⊢ (𝜑 → 𝑀 ∈ (𝒫 𝒫 𝐵 ↑m 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∧ w3a 1101 = wceq 1567 ∈ wcel 2149 {crab 3423 Vcvv 3463 ∖ cdif 3910 𝒫 cpw 4567 class class class wbr 5113 ↦ cmpt 5196 ∘ ccom 5666 Fn wfn 6532 ⟶wf 6533 –1-1-onto→wf1o 6536 ‘cfv 6537 (class class class)co 7411 ∈ cmpo 7413 ↑m cmap 8823 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-ov 7414 df-oprab 7415 df-mpo 7416 df-1st 7985 df-2nd 7986 df-map 8825 |
| This theorem is referenced by: neicvgnex 44735 |
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