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Theorem sbcie 2943
Description: Conversion of implicit substitution to explicit class substitution. (Contributed by NM, 4-Sep-2004.)
Hypotheses
Ref Expression
sbcie.1 𝐴 ∈ V
sbcie.2 (𝑥 = 𝐴 → (𝜑𝜓))
Assertion
Ref Expression
sbcie ([𝐴 / 𝑥]𝜑𝜓)
Distinct variable groups:   𝑥,𝐴   𝜓,𝑥
Allowed substitution hint:   𝜑(𝑥)

Proof of Theorem sbcie
StepHypRef Expression
1 sbcie.1 . 2 𝐴 ∈ V
2 sbcie.2 . . 3 (𝑥 = 𝐴 → (𝜑𝜓))
32sbcieg 2941 . 2 (𝐴 ∈ V → ([𝐴 / 𝑥]𝜑𝜓))
41, 3ax-mp 5 1 ([𝐴 / 𝑥]𝜑𝜓)
Colors of variables: wff set class
Syntax hints:  wi 4  wb 104   = wceq 1331  wcel 1480  Vcvv 2686  [wsbc 2909
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 2121
This theorem depends on definitions:  df-bi 116  df-3an 964  df-tru 1334  df-nf 1437  df-sb 1736  df-clab 2126  df-cleq 2132  df-clel 2135  df-nfc 2270  df-v 2688  df-sbc 2910
This theorem is referenced by:  findcard2  6783  findcard2s  6784  ac6sfi  6792  nn1suc  8739  indstr  9388  bezoutlemmain  11686  prmind2  11801
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