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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 31293 | . 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 3889 “ cima 5634 (class class class)co 7367 ↑m cmap 8773 ℕcn 12174 ⇝𝑣 chli 30998 Sℋ csh 30999 Cℋ cch 31000 |
| 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 2708 |
| 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 2715 df-cleq 2728 df-clel 2811 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-xp 5637 df-cnv 5639 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6454 df-fv 6506 df-ov 7370 df-ch 31292 |
| This theorem is referenced by: chsssh 31296 chshii 31298 ch0 31299 chss 31300 choccl 31377 chjval 31423 chjcl 31428 pjhth 31464 pjhtheu 31465 pjpreeq 31469 pjpjpre 31490 ch0le 31512 chle0 31514 chslej 31569 chjcom 31577 chub1 31578 chlub 31580 chlej1 31581 chlej2 31582 spansnsh 31632 fh1 31689 fh2 31690 chscllem1 31708 chscllem2 31709 chscllem3 31710 chscllem4 31711 chscl 31712 pjorthi 31740 pjoi0 31788 hstoc 32293 hstnmoc 32294 ch1dle 32423 atomli 32453 chirredlem3 32463 sumdmdii 32486 |
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