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| Mirrors > Home > HSE Home > Th. List > chsh | Structured version Visualization version GIF version | ||
| Description: A closed subspace is a subspace. (Contributed by NM, 19-Oct-1999.) (Revised by Mario Carneiro, 23-Dec-2013.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| chsh | ⊢ (𝐻 ∈ Cℋ → 𝐻 ∈ Sℋ ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isch 31310 | . 2 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ( ⇝𝑣 “ (𝐻 ↑m ℕ)) ⊆ 𝐻)) | |
| 2 | 1 | simplbi 496 | 1 ⊢ (𝐻 ∈ Cℋ → 𝐻 ∈ Sℋ ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 ⊆ wss 3903 “ cima 5635 (class class class)co 7368 ↑m cmap 8775 ℕcn 12157 ⇝𝑣 chli 31015 Sℋ csh 31016 Cℋ cch 31017 |
| 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-ext 2709 |
| 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-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-xp 5638 df-cnv 5640 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fv 6508 df-ov 7371 df-ch 31309 |
| This theorem is referenced by: chsssh 31313 chshii 31315 ch0 31316 chss 31317 choccl 31394 chjval 31440 chjcl 31445 pjhth 31481 pjhtheu 31482 pjpreeq 31486 pjpjpre 31507 ch0le 31529 chle0 31531 chslej 31586 chjcom 31594 chub1 31595 chlub 31597 chlej1 31598 chlej2 31599 spansnsh 31649 fh1 31706 fh2 31707 chscllem1 31725 chscllem2 31726 chscllem3 31727 chscllem4 31728 chscl 31729 pjorthi 31757 pjoi0 31805 hstoc 32310 hstnmoc 32311 ch1dle 32440 atomli 32470 chirredlem3 32480 sumdmdii 32503 |
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