| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > mrcssid | Structured version Visualization version GIF version | ||
| Description: The closure of a set is a superset. (Contributed by Stefan O'Rear, 31-Jan-2015.) |
| Ref | Expression |
|---|---|
| mrcfval.f | ⊢ 𝐹 = (mrCls‘𝐶) |
| Ref | Expression |
|---|---|
| mrcssid | ⊢ ((𝐶 ∈ (Moore‘𝑋) ∧ 𝑈 ⊆ 𝑋) → 𝑈 ⊆ (𝐹‘𝑈)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssintub 4932 | . 2 ⊢ 𝑈 ⊆ ∩ {𝑠 ∈ 𝐶 ∣ 𝑈 ⊆ 𝑠} | |
| 2 | mrcfval.f | . . 3 ⊢ 𝐹 = (mrCls‘𝐶) | |
| 3 | 2 | mrcval 17667 | . 2 ⊢ ((𝐶 ∈ (Moore‘𝑋) ∧ 𝑈 ⊆ 𝑋) → (𝐹‘𝑈) = ∩ {𝑠 ∈ 𝐶 ∣ 𝑈 ⊆ 𝑠}) |
| 4 | 1, 3 | sseqtrrid 3981 | 1 ⊢ ((𝐶 ∈ (Moore‘𝑋) ∧ 𝑈 ⊆ 𝑋) → 𝑈 ⊆ (𝐹‘𝑈)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 {crab 3416 ⊆ wss 3906 ∩ cint 4913 ‘cfv 6538 Moorecmre 17635 mrClscmrc 17636 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-int 4914 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-fv 6546 df-mre 17639 df-mrc 17640 |
| This theorem is referenced by: mrcidb2 17675 mrcuni 17678 mrcssidd 17682 mrelatlub 18619 gsumwspan 18906 symggen 19541 mrccss 21825 ismrcd2 43413 ismrc 43415 mrefg2 43421 |
| Copyright terms: Public domain | W3C validator |