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Theorem sbcbii 3092
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 3091 . 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 3032
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 2213
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-sbc 3033
This theorem is referenced by:  eqsbc2  3093  sbc3an  3094  sbccomlem  3107  sbccom  3108  sbcabel  3115  csbco  3138  csbcow  3139  sbcnel12g  3145  sbcne12g  3146  sbccsbg  3157  sbccsb2g  3158  csbnestgf  3181  csbabg  3190  sbcssg  3605  sbcrel  4818  difopab  4869  sbcfung  5357  f1od2  6409  mpoxopovel  6450  bezoutlemnewy  12628  bezoutlemstep  12629  bezoutlemmain  12630
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