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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 17539. (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 17539 | . 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 3901 ‘cfv 6492 Moorecmre 17501 mrClscmrc 17502 |
| 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 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-int 4903 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-fv 6500 df-mre 17505 df-mrc 17506 |
| This theorem is referenced by: mressmrcd 17550 mrieqv2d 17562 mrissmrid 17564 mreexexlem2d 17568 isacs3lem 18465 isacs4lem 18467 acsfiindd 18476 acsmapd 18477 acsmap2d 18478 dprdres 19959 dprdss 19960 dprd2dlem1 19972 dprd2da 19973 dmdprdsplit2lem 19976 |
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