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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 31425 | . 2 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ( ⇝𝑣 “ (𝐻 ↑m ℕ)) ⊆ 𝐻)) | |
| 2 | 1 | simplbi 500 | 1 ⊢ (𝐻 ∈ Cℋ → 𝐻 ∈ Sℋ ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2142 ⊆ wss 3904 “ cima 5650 (class class class)co 7396 ↑m cmap 8808 ℕcn 12210 ⇝𝑣 chli 31130 Sℋ csh 31131 Cℋ cch 31132 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-ext 2734 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-sb 2091 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3415 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-xp 5653 df-cnv 5655 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6477 df-fv 6529 df-ov 7399 df-ch 31424 |
| This theorem is referenced by: chsssh 31428 chshii 31430 ch0 31431 chss 31432 choccl 31509 chjval 31555 chjcl 31560 pjhth 31596 pjhtheu 31597 pjpreeq 31601 pjpjpre 31622 ch0le 31644 chle0 31646 chslej 31701 chjcom 31709 chub1 31710 chlub 31712 chlej1 31713 chlej2 31714 spansnsh 31764 fh1 31821 fh2 31822 chscllem1 31840 chscllem2 31841 chscllem3 31842 chscllem4 31843 chscl 31844 pjorthi 31872 pjoi0 31920 hstoc 32425 hstnmoc 32426 ch1dle 32555 atomli 32585 chirredlem3 32595 sumdmdii 32618 |
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