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Theorem sbcie 2989
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 2987 . 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 1348    e. wcel 2141   _Vcvv 2730   [.wsbc 2955
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 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-ext 2152
This theorem depends on definitions:  df-bi 116  df-3an 975  df-tru 1351  df-nf 1454  df-sb 1756  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-v 2732  df-sbc 2956
This theorem is referenced by:  findcard2  6864  findcard2s  6865  ac6sfi  6873  nn1suc  8886  indstr  9541  bezoutlemmain  11942  prmind2  12063
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