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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 31311 | . 2 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ( ⇝𝑣 “ (𝐻 ↑m ℕ)) ⊆ 𝐻)) | |
| 2 | 1 | simplbi 496 | 1 ⊢ (𝐻 ∈ Cℋ → 𝐻 ∈ Sℋ ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 ⊆ wss 3890 “ cima 5628 (class class class)co 7361 ↑m cmap 8767 ℕcn 12168 ⇝𝑣 chli 31016 Sℋ csh 31017 Cℋ cch 31018 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-xp 5631 df-cnv 5633 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fv 6501 df-ov 7364 df-ch 31310 |
| This theorem is referenced by: chsssh 31314 chshii 31316 ch0 31317 chss 31318 choccl 31395 chjval 31441 chjcl 31446 pjhth 31482 pjhtheu 31483 pjpreeq 31487 pjpjpre 31508 ch0le 31530 chle0 31532 chslej 31587 chjcom 31595 chub1 31596 chlub 31598 chlej1 31599 chlej2 31600 spansnsh 31650 fh1 31707 fh2 31708 chscllem1 31726 chscllem2 31727 chscllem3 31728 chscllem4 31729 chscl 31730 pjorthi 31758 pjoi0 31806 hstoc 32311 hstnmoc 32312 ch1dle 32441 atomli 32471 chirredlem3 32481 sumdmdii 32504 |
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