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| Mirrors > Home > HSE Home > Th. List > chshii | Structured version Visualization version GIF version | ||
| Description: A closed subspace is a subspace. (Contributed by NM, 19-Oct-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| chshi.1 | ⊢ 𝐻 ∈ Cℋ |
| Ref | Expression |
|---|---|
| chshii | ⊢ 𝐻 ∈ Sℋ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | chshi.1 | . 2 ⊢ 𝐻 ∈ Cℋ | |
| 2 | chsh 31819 | . 2 ⊢ (𝐻 ∈ Cℋ → 𝐻 ∈ Sℋ ) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 𝐻 ∈ Sℋ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 Sℋ csh 31523 Cℋ cch 31524 |
| 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 6493 df-fv 6545 df-ov 7421 df-ch 31816 |
| This theorem is used by: chssii 31826 helsh 31840 h0elsh 31851 hhsscms 31873 hhssbnOLD 31874 chocunii 31896 shsleji 31965 shjshcli 31971 pjhthlem1 31986 pjhthlem2 31987 omlsii 31998 ococi 32000 pjoc1i 32026 chne0i 32048 chocini 32049 chjcli 32052 chsleji 32053 chseli 32054 chunssji 32062 chjcomi 32063 chub1i 32064 chlubi 32066 chlej1i 32068 chlej2i 32069 h1de2bi 32149 h1de2ctlem 32150 spansnpji 32173 spanunsni 32174 h1datomi 32176 pjoml2i 32180 qlaxr3i 32231 osumi 32237 osumcor2i 32239 spansnji 32241 spansnm0i 32245 nonbooli 32246 spansncvi 32247 5oai 32256 3oalem2 32258 3oalem5 32261 3oalem6 32262 pjaddii 32270 pjmulii 32272 pjss2i 32275 pjssmii 32276 pj0i 32288 pjocini 32293 pjjsi 32295 pjpythi 32317 mayete3i 32323 pjnmopi 32743 pjimai 32771 pjclem4 32794 pj3si 32802 sto1i 32831 stlei 32835 strlem1 32845 hatomici 32954 hatomistici 32957 atomli 32977 chirredlem3 32987 sumdmdii 33010 sumdmdlem 33013 sumdmdlem2 33014 |
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