HSE Home Hilbert Space Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  HSE Home  >  Th. List  >  chex Structured version   Visualization version   GIF version

Theorem chex 31810
Description: The set of closed subspaces of a Hilbert space exists (is a set). (Contributed by NM, 23-Oct-1999.) (New usage is discouraged.)
Assertion
Ref Expression
chex Cℋ ∈ V

Proof of Theorem chex
StepHypRef Expression
1 shex 31796 . 2 Sℋ ∈ V
2 chsssh 31809 . 2 Cℋ ⊆ Sℋ
31, 2ssexi 5284 1 Cℋ ∈ V
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   ∈ wcel 2145  Vcvv 3451   Sℋ csh 31512   Cℋ cch 31513
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  ax-sep 5249  ax-pow 5327  ax-hilex 31583
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-pw 4559  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 6487  df-fv 6539  df-ov 7415  df-sh 31791  df-ch 31805
This theorem is used by:  isst  32797  ishst  32798
  Copyright terms: Public domain W3C validator