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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 31246 | . 2 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ( ⇝𝑣 “ (𝐻 ↑m ℕ)) ⊆ 𝐻)) | |
| 2 | 1 | simplbi 497 | 1 ⊢ (𝐻 ∈ Cℋ → 𝐻 ∈ Sℋ ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2113 ⊆ wss 3899 “ cima 5625 (class class class)co 7356 ↑m cmap 8761 ℕcn 12143 ⇝𝑣 chli 30951 Sℋ csh 30952 Cℋ cch 30953 |
| 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-ext 2706 |
| 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-sb 2068 df-clab 2713 df-cleq 2726 df-clel 2809 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-opab 5159 df-xp 5628 df-cnv 5630 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fv 6498 df-ov 7359 df-ch 31245 |
| This theorem is referenced by: chsssh 31249 chshii 31251 ch0 31252 chss 31253 choccl 31330 chjval 31376 chjcl 31381 pjhth 31417 pjhtheu 31418 pjpreeq 31422 pjpjpre 31443 ch0le 31465 chle0 31467 chslej 31522 chjcom 31530 chub1 31531 chlub 31533 chlej1 31534 chlej2 31535 spansnsh 31585 fh1 31642 fh2 31643 chscllem1 31661 chscllem2 31662 chscllem3 31663 chscllem4 31664 chscl 31665 pjorthi 31693 pjoi0 31741 hstoc 32246 hstnmoc 32247 ch1dle 32376 atomli 32406 chirredlem3 32416 sumdmdii 32439 |
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