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| Mirrors > Home > MPE Home > Th. List > Mathboxes > clsneifv3 | Structured version Visualization version GIF version | ||
| Description: Value of the neighborhoods (convergents) in terms of the closure (interior) function. (Contributed by RP, 27-Jun-2021.) |
| Ref | Expression |
|---|---|
| clsnei.o | ⊢ 𝑂 = (𝑖 ∈ V, 𝑗 ∈ V ↦ (𝑘 ∈ (𝒫 𝑗 ↑m 𝑖) ↦ (𝑙 ∈ 𝑗 ↦ {𝑚 ∈ 𝑖 ∣ 𝑙 ∈ (𝑘‘𝑚)}))) |
| clsnei.p | ⊢ 𝑃 = (𝑛 ∈ V ↦ (𝑝 ∈ (𝒫 𝑛 ↑m 𝒫 𝑛) ↦ (𝑜 ∈ 𝒫 𝑛 ↦ (𝑛 ∖ (𝑝‘(𝑛 ∖ 𝑜)))))) |
| clsnei.d | ⊢ 𝐷 = (𝑃‘𝐵) |
| clsnei.f | ⊢ 𝐹 = (𝒫 𝐵𝑂𝐵) |
| clsnei.h | ⊢ 𝐻 = (𝐹 ∘ 𝐷) |
| clsnei.r | ⊢ (𝜑 → 𝐾𝐻𝑁) |
| clsneifv.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| clsneifv3 | ⊢ (𝜑 → (𝑁‘𝑋) = {𝑠 ∈ 𝒫 𝐵 ∣ ¬ 𝑋 ∈ (𝐾‘(𝐵 ∖ 𝑠))}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dfin5 3898 | . 2 ⊢ (𝒫 𝐵 ∩ (𝑁‘𝑋)) = {𝑠 ∈ 𝒫 𝐵 ∣ 𝑠 ∈ (𝑁‘𝑋)} | |
| 2 | clsnei.o | . . . . . . 7 ⊢ 𝑂 = (𝑖 ∈ V, 𝑗 ∈ V ↦ (𝑘 ∈ (𝒫 𝑗 ↑m 𝑖) ↦ (𝑙 ∈ 𝑗 ↦ {𝑚 ∈ 𝑖 ∣ 𝑙 ∈ (𝑘‘𝑚)}))) | |
| 3 | clsnei.p | . . . . . . 7 ⊢ 𝑃 = (𝑛 ∈ V ↦ (𝑝 ∈ (𝒫 𝑛 ↑m 𝒫 𝑛) ↦ (𝑜 ∈ 𝒫 𝑛 ↦ (𝑛 ∖ (𝑝‘(𝑛 ∖ 𝑜)))))) | |
| 4 | clsnei.d | . . . . . . 7 ⊢ 𝐷 = (𝑃‘𝐵) | |
| 5 | clsnei.f | . . . . . . 7 ⊢ 𝐹 = (𝒫 𝐵𝑂𝐵) | |
| 6 | clsnei.h | . . . . . . 7 ⊢ 𝐻 = (𝐹 ∘ 𝐷) | |
| 7 | clsnei.r | . . . . . . 7 ⊢ (𝜑 → 𝐾𝐻𝑁) | |
| 8 | 2, 3, 4, 5, 6, 7 | clsneinex 44537 | . . . . . 6 ⊢ (𝜑 → 𝑁 ∈ (𝒫 𝒫 𝐵 ↑m 𝐵)) |
| 9 | elmapi 8787 | . . . . . 6 ⊢ (𝑁 ∈ (𝒫 𝒫 𝐵 ↑m 𝐵) → 𝑁:𝐵⟶𝒫 𝒫 𝐵) | |
| 10 | 8, 9 | syl 17 | . . . . 5 ⊢ (𝜑 → 𝑁:𝐵⟶𝒫 𝒫 𝐵) |
| 11 | clsneifv.x | . . . . 5 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 12 | 10, 11 | ffvelcdmd 7029 | . . . 4 ⊢ (𝜑 → (𝑁‘𝑋) ∈ 𝒫 𝒫 𝐵) |
| 13 | 12 | elpwid 4551 | . . 3 ⊢ (𝜑 → (𝑁‘𝑋) ⊆ 𝒫 𝐵) |
| 14 | sseqin2 4164 | . . 3 ⊢ ((𝑁‘𝑋) ⊆ 𝒫 𝐵 ↔ (𝒫 𝐵 ∩ (𝑁‘𝑋)) = (𝑁‘𝑋)) | |
| 15 | 13, 14 | sylib 218 | . 2 ⊢ (𝜑 → (𝒫 𝐵 ∩ (𝑁‘𝑋)) = (𝑁‘𝑋)) |
| 16 | 7 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝒫 𝐵) → 𝐾𝐻𝑁) |
| 17 | 11 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝒫 𝐵) → 𝑋 ∈ 𝐵) |
| 18 | simpr 484 | . . . . 5 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝒫 𝐵) → 𝑠 ∈ 𝒫 𝐵) | |
| 19 | 2, 3, 4, 5, 6, 16, 17, 18 | clsneiel2 44539 | . . . 4 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝒫 𝐵) → (𝑋 ∈ (𝐾‘(𝐵 ∖ 𝑠)) ↔ ¬ 𝑠 ∈ (𝑁‘𝑋))) |
| 20 | 19 | con2bid 354 | . . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝒫 𝐵) → (𝑠 ∈ (𝑁‘𝑋) ↔ ¬ 𝑋 ∈ (𝐾‘(𝐵 ∖ 𝑠)))) |
| 21 | 20 | rabbidva 3396 | . 2 ⊢ (𝜑 → {𝑠 ∈ 𝒫 𝐵 ∣ 𝑠 ∈ (𝑁‘𝑋)} = {𝑠 ∈ 𝒫 𝐵 ∣ ¬ 𝑋 ∈ (𝐾‘(𝐵 ∖ 𝑠))}) |
| 22 | 1, 15, 21 | 3eqtr3a 2796 | 1 ⊢ (𝜑 → (𝑁‘𝑋) = {𝑠 ∈ 𝒫 𝐵 ∣ ¬ 𝑋 ∈ (𝐾‘(𝐵 ∖ 𝑠))}) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 {crab 3390 Vcvv 3430 ∖ cdif 3887 ∩ cin 3889 ⊆ wss 3890 𝒫 cpw 4542 class class class wbr 5086 ↦ cmpt 5167 ∘ ccom 5626 ⟶wf 6486 ‘cfv 6490 (class class class)co 7358 ∈ cmpo 7360 ↑m cmap 8764 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-ov 7361 df-oprab 7362 df-mpo 7363 df-1st 7933 df-2nd 7934 df-map 8766 |
| This theorem is referenced by: (None) |
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