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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 31157 | . 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 2109 ⊆ wss 3916 “ cima 5643 (class class class)co 7389 ↑m cmap 8801 ℕcn 12187 ⇝𝑣 chli 30862 Sℋ csh 30863 Cℋ cch 30864 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2702 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2709 df-cleq 2722 df-clel 2804 df-rab 3409 df-v 3452 df-dif 3919 df-un 3921 df-in 3923 df-ss 3933 df-nul 4299 df-if 4491 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5110 df-opab 5172 df-xp 5646 df-cnv 5648 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-iota 6466 df-fv 6521 df-ov 7392 df-ch 31156 |
| This theorem is referenced by: chsssh 31160 chshii 31162 ch0 31163 chss 31164 choccl 31241 chjval 31287 chjcl 31292 pjhth 31328 pjhtheu 31329 pjpreeq 31333 pjpjpre 31354 ch0le 31376 chle0 31378 chslej 31433 chjcom 31441 chub1 31442 chlub 31444 chlej1 31445 chlej2 31446 spansnsh 31496 fh1 31553 fh2 31554 chscllem1 31572 chscllem2 31573 chscllem3 31574 chscllem4 31575 chscl 31576 pjorthi 31604 pjoi0 31652 hstoc 32157 hstnmoc 32158 ch1dle 32287 atomli 32317 chirredlem3 32327 sumdmdii 32350 |
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