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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ntrclsfv | Structured version Visualization version GIF version | ||
| Description: The value of the interior (closure) expressed in terms of the closure (interior). (Contributed by RP, 25-Jun-2021.) |
| Ref | Expression |
|---|---|
| ntrcls.o | ⊢ 𝑂 = (𝑖 ∈ V ↦ (𝑘 ∈ (𝒫 𝑖 ↑m 𝒫 𝑖) ↦ (𝑗 ∈ 𝒫 𝑖 ↦ (𝑖 ∖ (𝑘‘(𝑖 ∖ 𝑗)))))) |
| ntrcls.d | ⊢ 𝐷 = (𝑂‘𝐵) |
| ntrcls.r | ⊢ (𝜑 → 𝐼𝐷𝐾) |
| ntrclsfv.s | ⊢ (𝜑 → 𝑆 ∈ 𝒫 𝐵) |
| Ref | Expression |
|---|---|
| ntrclsfv | ⊢ (𝜑 → (𝐼‘𝑆) = (𝐵 ∖ (𝐾‘(𝐵 ∖ 𝑆)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ntrcls.o | . . . 4 ⊢ 𝑂 = (𝑖 ∈ V ↦ (𝑘 ∈ (𝒫 𝑖 ↑m 𝒫 𝑖) ↦ (𝑗 ∈ 𝒫 𝑖 ↦ (𝑖 ∖ (𝑘‘(𝑖 ∖ 𝑗)))))) | |
| 2 | ntrcls.d | . . . 4 ⊢ 𝐷 = (𝑂‘𝐵) | |
| 3 | ntrcls.r | . . . 4 ⊢ (𝜑 → 𝐼𝐷𝐾) | |
| 4 | 1, 2, 3 | ntrclsfv2 44480 | . . 3 ⊢ (𝜑 → (𝐷‘𝐾) = 𝐼) |
| 5 | 4 | fveq1d 6840 | . 2 ⊢ (𝜑 → ((𝐷‘𝐾)‘𝑆) = (𝐼‘𝑆)) |
| 6 | 2, 3 | ntrclsbex 44458 | . . 3 ⊢ (𝜑 → 𝐵 ∈ V) |
| 7 | 1, 2, 3 | ntrclskex 44478 | . . 3 ⊢ (𝜑 → 𝐾 ∈ (𝒫 𝐵 ↑m 𝒫 𝐵)) |
| 8 | eqid 2737 | . . 3 ⊢ (𝐷‘𝐾) = (𝐷‘𝐾) | |
| 9 | ntrclsfv.s | . . 3 ⊢ (𝜑 → 𝑆 ∈ 𝒫 𝐵) | |
| 10 | eqid 2737 | . . 3 ⊢ ((𝐷‘𝐾)‘𝑆) = ((𝐷‘𝐾)‘𝑆) | |
| 11 | 1, 2, 6, 7, 8, 9, 10 | dssmapfv3d 44443 | . 2 ⊢ (𝜑 → ((𝐷‘𝐾)‘𝑆) = (𝐵 ∖ (𝐾‘(𝐵 ∖ 𝑆)))) |
| 12 | 5, 11 | eqtr3d 2774 | 1 ⊢ (𝜑 → (𝐼‘𝑆) = (𝐵 ∖ (𝐾‘(𝐵 ∖ 𝑆)))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 Vcvv 3430 ∖ cdif 3887 𝒫 cpw 4542 class class class wbr 5086 ↦ cmpt 5167 ‘cfv 6496 (class class class)co 7364 ↑m cmap 8770 |
| 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 5213 ax-sep 5232 ax-nul 5242 ax-pow 5306 ax-pr 5374 ax-un 7686 |
| 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 5523 df-xp 5634 df-rel 5635 df-cnv 5636 df-co 5637 df-dm 5638 df-rn 5639 df-res 5640 df-ima 5641 df-iota 6452 df-fun 6498 df-fn 6499 df-f 6500 df-f1 6501 df-fo 6502 df-f1o 6503 df-fv 6504 df-ov 7367 df-oprab 7368 df-mpo 7369 df-1st 7939 df-2nd 7940 df-map 8772 |
| This theorem is referenced by: ntrclsfveq1 44484 ntrclsfveq2 44485 ntrclsfveq 44486 ntrclsss 44487 ntrclscls00 44490 ntrclsk4 44496 |
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