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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 31824 | . 2 ⊢ (𝐻 ∈ Cℋ ↔ (𝐻 ∈ Sℋ ∧ ( ⇝𝑣 “ (𝐻 ↑m ℕ)) ⊆ 𝐻)) | |
| 2 | 1 | simplbi 502 | 1 ⊢ (𝐻 ∈ Cℋ → 𝐻 ∈ Sℋ ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ⊆ wss 3899 “ cima 5654 (class class class)co 7420 ↑m cmap 8847 ℕcn 12335 ⇝𝑣 chli 31529 Sℋ csh 31530 Cℋ cch 31531 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-xp 5657 df-cnv 5659 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6494 df-fv 6546 df-ov 7423 df-ch 31823 |
| This theorem is used by: chsssh 31827 chshii 31829 ch0 31830 chss 31831 choccl 31908 chjval 31954 chjcl 31959 pjhth 31995 pjhtheu 31996 pjpreeq 32000 pjpjpre 32021 ch0le 32043 chle0 32045 chslej 32100 chjcom 32108 chub1 32109 chlub 32111 chlej1 32112 chlej2 32113 spansnsh 32163 fh1 32220 fh2 32221 chscllem1 32239 chscllem2 32240 chscllem3 32241 chscllem4 32242 chscl 32243 pjorthi 32271 pjoi0 32319 hstoc 32824 hstnmoc 32825 ch1dle 32954 atomli 32984 chirredlem3 32994 sumdmdii 33017 |
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