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Theorem 2ex 8178
Description: 2 is a set (common case). (Contributed by David A. Wheeler, 8-Dec-2018.)
Assertion
Ref Expression
2ex  |-  2  e.  _V

Proof of Theorem 2ex
StepHypRef Expression
1 2cn 8177 . 2  |-  2  e.  CC
21elexi 2612 1  |-  2  e.  _V
Colors of variables: wff set class
Syntax hints:    e. wcel 1434   _Vcvv 2602   CCcc 7041   2c2 8156
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-5 1377  ax-7 1378  ax-gen 1379  ax-ie1 1423  ax-ie2 1424  ax-8 1436  ax-11 1438  ax-4 1441  ax-17 1460  ax-i9 1464  ax-ial 1468  ax-i5r 1469  ax-ext 2064  ax-resscn 7130  ax-1re 7132  ax-addrcl 7135
This theorem depends on definitions:  df-bi 115  df-nf 1391  df-sb 1687  df-clab 2069  df-cleq 2075  df-clel 2078  df-v 2604  df-in 2980  df-ss 2987  df-2 8165
This theorem is referenced by:  fzprval  9175  fztpval  9176
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