ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  vn0m Unicode version

Theorem vn0m 3533
Description: The universal class is inhabited. (Contributed by Jim Kingdon, 17-Dec-2018.)
Assertion
Ref Expression
vn0m  |-  E. x  x  e.  _V

Proof of Theorem vn0m
StepHypRef Expression
1 vex 2824 . 2  |-  x  e. 
_V
2 19.8a 1643 . 2  |-  ( x  e.  _V  ->  E. x  x  e.  _V )
31, 2ax-mp 5 1  |-  E. x  x  e.  _V
Colors of variables:    wff set class
This proof depends on syntax axioms:   E.wex 1545    e. wcel 2209   _Vcvv 2821
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-5 1500  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-ext 2220
This proof depends on definitions:  df-bi 117  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-v 2823
This theorem is used by:  relrelss  5314  imasaddfnlemg  13635
  Copyright terms: Public domain W3C validator