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Theorem 1ex 7885
Description: 1 is a set. Common special case. (Contributed by David A. Wheeler, 7-Jul-2016.)
Assertion
Ref Expression
1ex 1 ∈ V

Proof of Theorem 1ex
StepHypRef Expression
1 ax-1cn 7837 . 2 1 ∈ ℂ
21elexi 2733 1 1 ∈ V
Colors of variables: wff set class
Syntax hints:  wcel 2135  Vcvv 2721  cc 7742  1c1 7745
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-5 1434  ax-gen 1436  ax-ie1 1480  ax-ie2 1481  ax-8 1491  ax-4 1497  ax-17 1513  ax-i9 1517  ax-ial 1521  ax-ext 2146  ax-1cn 7837
This theorem depends on definitions:  df-bi 116  df-sb 1750  df-clab 2151  df-cleq 2157  df-clel 2160  df-v 2723
This theorem is referenced by:  nn1suc  8867  nn0ind-raph  9299  fzprval  10007  fztpval  10008  m1expcl2  10467  1exp  10474  facnn  10629  fac0  10630  prhash2ex  10711  prodf1f  11470  fprodntrivap  11511  prod1dc  11513  fprodssdc  11517  ege2le3  11598  1nprm  12025  pcmpt  12250  dvexp  13216  dvef  13229  2o01f  13710  iswomni0  13764
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