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Theorem sbcbii 3101
Description: Formula-building inference for class substitution. (Contributed by NM, 11-Nov-2005.)
Hypothesis
Ref Expression
sbcbii.1 (𝜑𝜓)
Assertion
Ref Expression
sbcbii ([𝐴 / 𝑥]𝜑[𝐴 / 𝑥]𝜓)

Proof of Theorem sbcbii
StepHypRef Expression
1 sbcbii.1 . . . 4 (𝜑𝜓)
21a1i 9 . . 3 (⊤ → (𝜑𝜓))
32sbcbidv 3100 . 2 (⊤ → ([𝐴 / 𝑥]𝜑[𝐴 / 𝑥]𝜓))
43mptru 1407 1 ([𝐴 / 𝑥]𝜑[𝐴 / 𝑥]𝜓)
Colors of variables: wff set class
Syntax hints:  wb 105  wtru 1399  [wsbc 3041
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-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-11 1555  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2214
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2219  df-cleq 2225  df-clel 2228  df-sbc 3042
This theorem is referenced by:  eqsbc2  3102  sbc3an  3103  sbccomlem  3116  sbccom  3117  sbcabel  3124  csbco  3147  csbcow  3148  sbcnel12g  3154  sbcne12g  3155  sbccsbg  3166  sbccsb2g  3167  csbnestgf  3190  csbabg  3199  sbcssg  3617  sbcrel  4835  difopab  4887  sbcfung  5375  f1od2  6430  mpoxopovel  6471  bezoutlemnewy  12688  bezoutlemstep  12689  bezoutlemmain  12690
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