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Theorem chelii 28430
Description: A member of a closed subspace of a Hilbert space is a vector. (Contributed by NM, 6-Oct-1999.) (New usage is discouraged.)
Hypotheses
Ref Expression
chssi.1 𝐻C
cheli.1 𝐴𝐻
Assertion
Ref Expression
chelii 𝐴 ∈ ℋ

Proof of Theorem chelii
StepHypRef Expression
1 chssi.1 . . 3 𝐻C
21chssii 28428 . 2 𝐻 ⊆ ℋ
3 cheli.1 . 2 𝐴𝐻
42, 3sselii 3749 1 𝐴 ∈ ℋ
Colors of variables: wff setvar class
Syntax hints:  wcel 2145  chil 28116   C cch 28126
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1870  ax-4 1885  ax-5 1991  ax-6 2057  ax-7 2093  ax-9 2154  ax-10 2174  ax-11 2190  ax-12 2203  ax-13 2408  ax-ext 2751  ax-sep 4916  ax-hilex 28196
This theorem depends on definitions:  df-bi 197  df-an 383  df-or 837  df-3an 1073  df-tru 1634  df-ex 1853  df-nf 1858  df-sb 2050  df-clab 2758  df-cleq 2764  df-clel 2767  df-nfc 2902  df-rex 3067  df-rab 3070  df-v 3353  df-dif 3726  df-un 3728  df-in 3730  df-ss 3737  df-nul 4064  df-if 4227  df-pw 4300  df-sn 4318  df-pr 4320  df-op 4324  df-uni 4576  df-br 4788  df-opab 4848  df-xp 5256  df-cnv 5258  df-dm 5260  df-rn 5261  df-res 5262  df-ima 5263  df-iota 5993  df-fv 6038  df-ov 6799  df-sh 28404  df-ch 28418
This theorem is referenced by: (None)
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