HomeHome Hilbert Space Explorer < Previous   Next >
Related theorems
Unicode version

Theorem elch0 5158
Description: Membership in zero for closed subspaces of Hilbert space.
Assertion
Ref Expression
elch0 |- (A e. 0H <-> A = 0v)

Proof of Theorem elch0
StepHypRef Expression
1 df-ch0 5157 . . 3 |- 0H = {0v}
21eleq2i 1153 . 2 |- (A e. 0H <-> A e. {0v})
3 ax-hvzercl 4987 . . . 4 |- 0v e. H~
43elisseti 1355 . . 3 |- 0v e. V
54elsnc2 1832 . 2 |- (A e. {0v} <-> A = 0v)
62, 5bitr 151 1 |- (A e. 0H <-> A = 0v)
Colors of variables: wff set class
Syntax hints:   <-> wb 127   = wceq 1091   e. wcel 1092  {csn 1808  H~chil 4958  0vc0v 4961  0Hc0h 4974
This theorem is referenced by:  ocin 5177  chocuni 5179  omlsilem 5249  pjoc1 5268  pjoml 5271  choc0 5291  choc1 5292  shne0 5372  h1dn0 5457
This theorem was proved from axioms:  ax-1 3  ax-2 4  ax-3 5  ax-mp 6  ax-4 673  ax-5 674  ax-6 675  ax-7 676  ax-gen 677  ax-8 798  ax-9 799  ax-10 800  ax-11 801  ax-12 802  ax-16 922  ax-17 925  ax-ext 1074  ax-hvzercl 4987
This theorem depends on definitions:  df-bi 128  df-or 197  df-an 198  df-ex 679  df-sb 853  df-clab 1093  df-cleq 1097  df-clel 1099  df-v 1349  df-un 1490  df-sn 1811  df-pr 1812  df-ch0 5157
metamath.org