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Theorem 3ex 8498
Description: 3 is a set (common case). (Contributed by David A. Wheeler, 8-Dec-2018.)
Assertion
Ref Expression
3ex  |-  3  e.  _V

Proof of Theorem 3ex
StepHypRef Expression
1 3cn 8497 . 2  |-  3  e.  CC
21elexi 2631 1  |-  3  e.  _V
Colors of variables: wff set class
Syntax hints:    e. wcel 1438   _Vcvv 2619   CCcc 7348   3c3 8474
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 1381  ax-7 1382  ax-gen 1383  ax-ie1 1427  ax-ie2 1428  ax-8 1440  ax-11 1442  ax-4 1445  ax-17 1464  ax-i9 1468  ax-ial 1472  ax-i5r 1473  ax-ext 2070  ax-resscn 7437  ax-1re 7439  ax-addrcl 7442
This theorem depends on definitions:  df-bi 115  df-nf 1395  df-sb 1693  df-clab 2075  df-cleq 2081  df-clel 2084  df-v 2621  df-in 3005  df-ss 3012  df-2 8481  df-3 8482
This theorem is referenced by:  fztpval  9497
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