Theorem 1ex 8152

Description: 1 is a set. Common special case. (Contributed by David A. Wheeler, 7-Jul-2016.)

Assertion

Ref	Expression
1ex	|- 1 e. _V

Proof of Theorem 1ex

Step	Hyp	Ref	Expression
1		ax-1cn 8103	. 2 |- 1 e. CC
2	1	elexi 2812	1 |- 1 e. _V

Syntax hints:   e. wcel 2200   _Vcvv 2799   CCcc 8008   1c1 8011

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-5 1493  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-ext 2211  ax-1cn 8103

This theorem depends on definitions:  df-bi 117  df-sb 1809  df-clab 2216  df-cleq 2222  df-clel 2225  df-v 2801

This theorem is referenced by:  nn1suc  9140  nn0ind-raph  9575  fzprval  10290  fztpval  10291  m1expcl2  10795  1exp  10802  facnn  10961  fac0  10962  prhash2ex  11044  prodf1f  12070  fprodntrivap  12111  prod1dc  12113  fprodssdc  12117  ege2le3  12198  1nprm  12652  pcmpt  12882  dvexp  15401  dvef  15417  lgsdir2lem3  15725  2wlklem  16120  2o01f  16445  iswomni0  16507