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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 497 | 1 ⊢ (𝐻 ∈ Cℋ → 𝐻 ∈ Sℋ ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2119 ⊆ wss 3883 “ cima 5621 (class class class)co 7356 ↑m cmap 8763 ℕcn 12165 ⇝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 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-opab 5135 df-xp 5624 df-cnv 5626 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-iota 6441 df-fv 6493 df-ov 7359 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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