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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 31511 | . 2 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ( ⇝𝑣 “ (𝐻 ↑m ℕ)) ⊆ 𝐻)) | |
| 2 | 1 | simplbi 501 | 1 ⊢ (𝐻 ∈ Cℋ → 𝐻 ∈ Sℋ ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2149 ⊆ wss 3913 “ cima 5662 (class class class)co 7408 ↑m cmap 8820 ℕcn 12229 ⇝𝑣 chli 31216 Sℋ csh 31217 Cℋ cch 31218 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-xp 5665 df-cnv 5667 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6490 df-fv 6542 df-ov 7411 df-ch 31510 |
| This theorem is referenced by: chsssh 31514 chshii 31516 ch0 31517 chss 31518 choccl 31595 chjval 31641 chjcl 31646 pjhth 31682 pjhtheu 31683 pjpreeq 31687 pjpjpre 31708 ch0le 31730 chle0 31732 chslej 31787 chjcom 31795 chub1 31796 chlub 31798 chlej1 31799 chlej2 31800 spansnsh 31850 fh1 31907 fh2 31908 chscllem1 31926 chscllem2 31927 chscllem3 31928 chscllem4 31929 chscl 31930 pjorthi 31958 pjoi0 32006 hstoc 32511 hstnmoc 32512 ch1dle 32641 atomli 32671 chirredlem3 32681 sumdmdii 32704 |
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