Theorem 1ex 8141

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 8092	. 2 |- 1 e. CC
2	1	elexi 2812	1 |- 1 e. _V

Syntax hints:   e. wcel 2200   _Vcvv 2799   CCcc 7997   1c1 8000

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 8092

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  9129  nn0ind-raph  9564  fzprval  10278  fztpval  10279  m1expcl2  10783  1exp  10790  facnn  10949  fac0  10950  prhash2ex  11031  prodf1f  12054  fprodntrivap  12095  prod1dc  12097  fprodssdc  12101  ege2le3  12182  1nprm  12636  pcmpt  12866  dvexp  15385  dvef  15401  lgsdir2lem3  15709  2o01f  16358  iswomni0  16419