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Theorem epel 4418
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 2818 . 2  |-  y  e. 
_V
21epelc 4417 1  |-  ( x  _E  y  <->  x  e.  y )
Colors of variables: wff set class
Syntax hints:    <-> wb 105   class class class wbr 4114    _E cep 4413
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-14 2208  ax-ext 2216  ax-sep 4233  ax-pow 4292  ax-pr 4327
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-v 2817  df-un 3218  df-in 3220  df-ss 3227  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-br 4115  df-opab 4177  df-eprel 4415
This theorem is referenced by:  epse  4468  wetrep  4486  ordsoexmid  4689  zfregfr  4701  ordwe  4703  wessep  4705  reg3exmidlemwe  4706  smoiso  6546  nnwetri  7189  ordiso2  7339  frec2uzisod  10793  nnti  16892
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