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Theorem epel 4294
Description: The epsilon relation and the membership relation are the same. (Contributed by NM, 13-Aug-1995.)
Assertion
Ref Expression
epel  |-  ( x  _E  y  <->  x  e.  y )

Proof of Theorem epel
StepHypRef Expression
1 vex 2742 . 2  |-  y  e. 
_V
21epelc 4293 1  |-  ( x  _E  y  <->  x  e.  y )
Colors of variables: wff set class
Syntax hints:    <-> wb 105   class class class wbr 4005    _E cep 4289
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-14 2151  ax-ext 2159  ax-sep 4123  ax-pow 4176  ax-pr 4211
This theorem depends on definitions:  df-bi 117  df-3an 980  df-tru 1356  df-nf 1461  df-sb 1763  df-eu 2029  df-mo 2030  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-v 2741  df-un 3135  df-in 3137  df-ss 3144  df-pw 3579  df-sn 3600  df-pr 3601  df-op 3603  df-br 4006  df-opab 4067  df-eprel 4291
This theorem is referenced by:  epse  4344  wetrep  4362  ordsoexmid  4563  zfregfr  4575  ordwe  4577  wessep  4579  reg3exmidlemwe  4580  smoiso  6305  nnwetri  6917  ordiso2  7036  frec2uzisod  10409  nnti  14829
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