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Theorem 1ex 7784
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 7736 . 2 1 ∈ ℂ
21elexi 2701 1 1 ∈ V
Colors of variables: wff set class
Syntax hints:  wcel 1481  Vcvv 2689  cc 7641  1c1 7644
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 1424  ax-gen 1426  ax-ie1 1470  ax-ie2 1471  ax-8 1483  ax-4 1488  ax-17 1507  ax-i9 1511  ax-ial 1515  ax-ext 2122  ax-1cn 7736
This theorem depends on definitions:  df-bi 116  df-sb 1737  df-clab 2127  df-cleq 2133  df-clel 2136  df-v 2691
This theorem is referenced by:  nn1suc  8762  nn0ind-raph  9191  fzprval  9892  fztpval  9893  m1expcl2  10345  1exp  10352  facnn  10504  fac0  10505  prhash2ex  10586  prodf1f  11343  ege2le3  11412  1nprm  11829  dvexp  12881  dvef  12894  2o01f  13362
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