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Theorem sbcie 2938
Description: Conversion of implicit substitution to explicit class substitution. (Contributed by NM, 4-Sep-2004.)
Hypotheses
Ref Expression
sbcie.1  |-  A  e. 
_V
sbcie.2  |-  ( x  =  A  ->  ( ph 
<->  ps ) )
Assertion
Ref Expression
sbcie  |-  ( [. A  /  x ]. ph  <->  ps )
Distinct variable groups:    x, A    ps, x
Allowed substitution hint:    ph( x)

Proof of Theorem sbcie
StepHypRef Expression
1 sbcie.1 . 2  |-  A  e. 
_V
2 sbcie.2 . . 3  |-  ( x  =  A  ->  ( ph 
<->  ps ) )
32sbcieg 2936 . 2  |-  ( A  e.  _V  ->  ( [. A  /  x ]. ph  <->  ps ) )
41, 3ax-mp 5 1  |-  ( [. A  /  x ]. ph  <->  ps )
Colors of variables: wff set class
Syntax hints:    -> wi 4    <-> wb 104    = wceq 1331    e. wcel 1480   _Vcvv 2681   [.wsbc 2904
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 698  ax-5 1423  ax-7 1424  ax-gen 1425  ax-ie1 1469  ax-ie2 1470  ax-8 1482  ax-10 1483  ax-11 1484  ax-i12 1485  ax-bndl 1486  ax-4 1487  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-ext 2119
This theorem depends on definitions:  df-bi 116  df-3an 964  df-tru 1334  df-nf 1437  df-sb 1736  df-clab 2124  df-cleq 2130  df-clel 2133  df-nfc 2268  df-v 2683  df-sbc 2905
This theorem is referenced by:  findcard2  6776  findcard2s  6777  ac6sfi  6785  nn1suc  8732  indstr  9381  bezoutlemmain  11675  prmind2  11790
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