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| Mirrors > Home > HSE Home > Th. List > cheli | Structured version Visualization version GIF version | ||
| Description: A member of a closed subspace of a Hilbert space is a vector. (Contributed by NM, 6-Oct-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| chssi.1 | ⊢ 𝐻 ∈ Cℋ |
| Ref | Expression |
|---|---|
| cheli | ⊢ (𝐴 ∈ 𝐻 → 𝐴 ∈ ℋ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | chssi.1 | . . 3 ⊢ 𝐻 ∈ Cℋ | |
| 2 | 1 | chssii 31842 | . 2 ⊢ 𝐻 ⊆ ℋ |
| 3 | 2 | sseli 3905 | 1 ⊢ (𝐴 ∈ 𝐻 → 𝐴 ∈ ℋ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 ℋchba 31530 Cℋ cch 31540 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-sep 5248 ax-hilex 31610 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-xp 5657 df-cnv 5659 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6497 df-fv 6551 df-ov 7427 df-sh 31818 df-ch 31832 |
| This theorem is used by: pjhthlem1 32002 pjhthlem2 32003 h1de2ci 32167 spanunsni 32190 spansncvi 32263 3oalem1 32273 pjcompi 32283 pjocini 32309 pjjsi 32311 pjrni 32313 pjdsi 32323 pjds3i 32324 mayete3i 32339 riesz3i 32673 pjnmopi 32759 pjnormssi 32779 pjimai 32787 pjclem4a 32809 pjclem4 32810 pj3lem1 32817 pj3si 32818 strlem1 32861 strlem3 32864 strlem5 32866 hstrlem3 32872 hstrlem5 32874 sumdmdii 33026 sumdmdlem 33029 sumdmdlem2 33030 |
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