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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 31574 | . 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 2143 ⊆ wss 3905 “ cima 5664 (class class class)co 7410 ↑m cmap 8820 ℕcn 12228 ⇝𝑣 chli 31279 Sℋ csh 31280 Cℋ cch 31281 |
| 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-ext 2735 |
| 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-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-xp 5667 df-cnv 5669 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fv 6544 df-ov 7413 df-ch 31573 |
| This theorem is referenced by: chsssh 31577 chshii 31579 ch0 31580 chss 31581 choccl 31658 chjval 31704 chjcl 31709 pjhth 31745 pjhtheu 31746 pjpreeq 31750 pjpjpre 31771 ch0le 31793 chle0 31795 chslej 31850 chjcom 31858 chub1 31859 chlub 31861 chlej1 31862 chlej2 31863 spansnsh 31913 fh1 31970 fh2 31971 chscllem1 31989 chscllem2 31990 chscllem3 31991 chscllem4 31992 chscl 31993 pjorthi 32021 pjoi0 32069 hstoc 32574 hstnmoc 32575 ch1dle 32704 atomli 32734 chirredlem3 32744 sumdmdii 32767 |
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