ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  1ex GIF version

Theorem 1ex 8322
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 8273 . 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 8178  1c1 8181
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 8273
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  9326  nn0ind-raph  9768  fzprval  10500  fztpval  10501  m1expcl2  11013  1exp  11020  facnn  11181  fac0  11182  prhash2ex  11266  prodf1f  12329  fprodntrivap  12370  prod1dc  12372  fprodssdc  12376  ege2le3  12457  1nprm  12911  pcmpt  13145  ballotfilem2  13280  dvexp  15903  dvef  15919  prmorcht  16243  ppiublem2  16253  bposlem5  16276  lgsdir2lem3  16315  2wlklem  16783  konigsberglem4  16898  konigsberglem5  16899  2o01f  17190  iswomni0  17268
  Copyright terms: Public domain W3C validator