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Theorem sbcbii 3105
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 3104 . 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 3045
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 2216
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2221  df-cleq 2227  df-clel 2230  df-sbc 3046
This theorem is referenced by:  eqsbc2  3106  sbc3an  3107  sbccomlem  3120  sbccom  3121  sbcabel  3128  csbco  3151  csbcow  3152  sbcnel12g  3158  sbcne12g  3159  sbccsbg  3170  sbccsb2g  3171  csbnestgf  3194  csbabg  3203  sbcssg  3622  sbcrel  4841  difopab  4893  sbcfung  5381  f1od2  6444  mpoxopovel  6485  bezoutlemnewy  12717  bezoutlemstep  12718  bezoutlemmain  12719
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