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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 44637 | . . 3 ⊢ (𝜑 → (𝐷‘𝐾) = 𝐼) |
| 5 | 4 | fveq1d 6869 | . 2 ⊢ (𝜑 → ((𝐷‘𝐾)‘𝑆) = (𝐼‘𝑆)) |
| 6 | 2, 3 | ntrclsbex 44615 | . . 3 ⊢ (𝜑 → 𝐵 ∈ V) |
| 7 | 1, 2, 3 | ntrclskex 44635 | . . 3 ⊢ (𝜑 → 𝐾 ∈ (𝒫 𝐵 ↑m 𝒫 𝐵)) |
| 8 | eqid 2763 | . . 3 ⊢ (𝐷‘𝐾) = (𝐷‘𝐾) | |
| 9 | ntrclsfv.s | . . 3 ⊢ (𝜑 → 𝑆 ∈ 𝒫 𝐵) | |
| 10 | eqid 2763 | . . 3 ⊢ ((𝐷‘𝐾)‘𝑆) = ((𝐷‘𝐾)‘𝑆) | |
| 11 | 1, 2, 6, 7, 8, 9, 10 | dssmapfv3d 44600 | . 2 ⊢ (𝜑 → ((𝐷‘𝐾)‘𝑆) = (𝐵 ∖ (𝐾‘(𝐵 ∖ 𝑆)))) |
| 12 | 5, 11 | eqtr3d 2800 | 1 ⊢ (𝜑 → (𝐼‘𝑆) = (𝐵 ∖ (𝐾‘(𝐵 ∖ 𝑆)))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1561 ∈ wcel 2143 Vcvv 3455 ∖ cdif 3902 𝒫 cpw 4556 class class class wbr 5101 ↦ cmpt 5182 ‘cfv 6521 (class class class)co 7396 ↑m cmap 8808 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5228 ax-sep 5247 ax-nul 5257 ax-pow 5323 ax-pr 5391 ax-un 7718 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3078 df-rex 3088 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5102 df-opab 5164 df-mpt 5183 df-id 5543 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-ov 7399 df-oprab 7400 df-mpo 7401 df-1st 7970 df-2nd 7971 df-map 8810 |
| This theorem is referenced by: ntrclsfveq1 44641 ntrclsfveq2 44642 ntrclsfveq 44643 ntrclsss 44644 ntrclscls00 44647 ntrclsk4 44653 |
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