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Theorem 1ex 8327
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 8278 . 2 1 ∈ ℂ
21elexi 2834 1 1 ∈ V
Colors of variables:    wff set class
This proof depends on syntax axioms:   ∈ wcel 2209  Vcvv 2821  ℂcc 8183  1c1 8186
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  ax-1cn 8278
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:  nn1suc  9332  nn0ind-raph  9774  fzprval  10506  fztpval  10507  m1expcl2  11019  1exp  11026  facnn  11187  fac0  11188  prhash2ex  11272  prodf1f  12335  fprodntrivap  12376  prod1dc  12378  fprodssdc  12382  ege2le3  12463  1nprm  12917  pcmpt  13151  ballotfilem2  13286  dvexp  15937  dvef  15953  prmorcht  16282  ppiublem2  16292  bposlem5  16315  lgsdir2lem3  16354  2wlklem  16822  konigsberglem4  16937  konigsberglem5  16938  2o01f  17229  iswomni0  17308
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