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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 31647 | . 2 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ( ⇝𝑣 “ (𝐻 ↑m ℕ)) ⊆ 𝐻)) | |
| 2 | 1 | simplbi 502 | 1 ⊢ (𝐻 ∈ Cℋ → 𝐻 ∈ Sℋ ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2146 ⊆ wss 3906 “ cima 5666 (class class class)co 7419 ↑m cmap 8830 ℕcn 12250 ⇝𝑣 chli 31352 Sℋ csh 31353 Cℋ cch 31354 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-xp 5669 df-cnv 5671 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fv 6548 df-ov 7422 df-ch 31646 |
| This theorem is used by: chsssh 31650 chshii 31652 ch0 31653 chss 31654 choccl 31731 chjval 31777 chjcl 31782 pjhth 31818 pjhtheu 31819 pjpreeq 31823 pjpjpre 31844 ch0le 31866 chle0 31868 chslej 31923 chjcom 31931 chub1 31932 chlub 31934 chlej1 31935 chlej2 31936 spansnsh 31986 fh1 32043 fh2 32044 chscllem1 32062 chscllem2 32063 chscllem3 32064 chscllem4 32065 chscl 32066 pjorthi 32094 pjoi0 32142 hstoc 32647 hstnmoc 32648 ch1dle 32777 atomli 32807 chirredlem3 32817 sumdmdii 32840 |
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