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| Mirrors > Home > MPE Home > Th. List > mrcssd | Structured version Visualization version GIF version | ||
| Description: Moore closure preserves subset ordering. Deduction form of mrcss 17537. (Contributed by David Moews, 1-May-2017.) |
| Ref | Expression |
|---|---|
| mrcssd.1 | ⊢ (𝜑 → 𝐴 ∈ (Moore‘𝑋)) |
| mrcssd.2 | ⊢ 𝑁 = (mrCls‘𝐴) |
| mrcssd.3 | ⊢ (𝜑 → 𝑈 ⊆ 𝑉) |
| mrcssd.4 | ⊢ (𝜑 → 𝑉 ⊆ 𝑋) |
| Ref | Expression |
|---|---|
| mrcssd | ⊢ (𝜑 → (𝑁‘𝑈) ⊆ (𝑁‘𝑉)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mrcssd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ (Moore‘𝑋)) | |
| 2 | mrcssd.3 | . 2 ⊢ (𝜑 → 𝑈 ⊆ 𝑉) | |
| 3 | mrcssd.4 | . 2 ⊢ (𝜑 → 𝑉 ⊆ 𝑋) | |
| 4 | mrcssd.2 | . . 3 ⊢ 𝑁 = (mrCls‘𝐴) | |
| 5 | 4 | mrcss 17537 | . 2 ⊢ ((𝐴 ∈ (Moore‘𝑋) ∧ 𝑈 ⊆ 𝑉 ∧ 𝑉 ⊆ 𝑋) → (𝑁‘𝑈) ⊆ (𝑁‘𝑉)) |
| 6 | 1, 2, 3, 5 | syl3anc 1373 | 1 ⊢ (𝜑 → (𝑁‘𝑈) ⊆ (𝑁‘𝑉)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ⊆ wss 3899 ‘cfv 6490 Moorecmre 17499 mrClscmrc 17500 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-int 4901 df-br 5097 df-opab 5159 df-mpt 5178 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-fv 6498 df-mre 17503 df-mrc 17504 |
| This theorem is referenced by: mressmrcd 17548 mrieqv2d 17560 mrissmrid 17562 mreexexlem2d 17566 isacs3lem 18463 isacs4lem 18465 acsfiindd 18474 acsmapd 18475 acsmap2d 18476 dprdres 19957 dprdss 19958 dprd2dlem1 19970 dprd2da 19971 dmdprdsplit2lem 19974 |
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