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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 44111 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ V) |
| 7 | pwexg 5353 | . . . . . . . 8 ⊢ (𝐵 ∈ V → 𝒫 𝐵 ∈ V) | |
| 8 | 7 | adantl 481 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝒫 𝐵 ∈ V) |
| 9 | simpr 484 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝐵 ∈ V) | |
| 10 | 1, 8, 9, 2 | fsovf1od 44015 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝐹:(𝒫 𝐵 ↑m 𝒫 𝐵)–1-1-onto→(𝒫 𝒫 𝐵 ↑m 𝐵)) |
| 11 | f1ofn 6824 | . . . . . 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 17 | . . . . 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 44020 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝐷:(𝒫 𝐵 ↑m 𝒫 𝐵)–1-1-onto→(𝒫 𝐵 ↑m 𝒫 𝐵)) |
| 15 | f1of 6823 | . . . . . 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 17 | . . . . 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 44011 | . . . . 5 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝐺:(𝒫 𝒫 𝐵 ↑m 𝐵)⟶(𝒫 𝐵 ↑m 𝒫 𝐵)) |
| 19 | 4 | breqi 5130 | . . . . . . 7 ⊢ (𝑁𝐻𝑀 ↔ 𝑁(𝐹 ∘ (𝐷 ∘ 𝐺))𝑀) |
| 20 | 5, 19 | sylib 218 | . . . . . 6 ⊢ (𝜑 → 𝑁(𝐹 ∘ (𝐷 ∘ 𝐺))𝑀) |
| 21 | 20 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → 𝑁(𝐹 ∘ (𝐷 ∘ 𝐺))𝑀) |
| 22 | 12, 16, 18, 21 | brcofffn 44030 | . . . 4 ⊢ ((𝜑 ∧ 𝐵 ∈ V) → (𝑁𝐺(𝐺‘𝑁) ∧ (𝐺‘𝑁)𝐷(𝐷‘(𝐺‘𝑁)) ∧ (𝐷‘(𝐺‘𝑁))𝐹𝑀)) |
| 23 | 6, 22 | mpdan 687 | . . 3 ⊢ (𝜑 → (𝑁𝐺(𝐺‘𝑁) ∧ (𝐺‘𝑁)𝐷(𝐷‘(𝐺‘𝑁)) ∧ (𝐷‘(𝐺‘𝑁))𝐹𝑀)) |
| 24 | 23 | simp3d 1144 | . 2 ⊢ (𝜑 → (𝐷‘(𝐺‘𝑁))𝐹𝑀) |
| 25 | 1, 2, 24 | ntrneinex 44076 | 1 ⊢ (𝜑 → 𝑀 ∈ (𝒫 𝒫 𝐵 ↑m 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 {crab 3420 Vcvv 3464 ∖ cdif 3928 𝒫 cpw 4580 class class class wbr 5124 ↦ cmpt 5206 ∘ ccom 5663 Fn wfn 6531 ⟶wf 6532 –1-1-onto→wf1o 6535 ‘cfv 6536 (class class class)co 7410 ∈ cmpo 7412 ↑m cmap 8845 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2708 ax-rep 5254 ax-sep 5271 ax-nul 5281 ax-pow 5340 ax-pr 5407 ax-un 7734 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2810 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3062 df-reu 3365 df-rab 3421 df-v 3466 df-sbc 3771 df-csb 3880 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-nul 4314 df-if 4506 df-pw 4582 df-sn 4607 df-pr 4609 df-op 4613 df-uni 4889 df-iun 4974 df-br 5125 df-opab 5187 df-mpt 5207 df-id 5553 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6489 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7413 df-oprab 7414 df-mpo 7415 df-1st 7993 df-2nd 7994 df-map 8847 |
| This theorem is referenced by: neicvgnex 44117 |
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