ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  sbcie GIF version

Theorem sbcie 2985
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 2983 . 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 1343  wcel 2136  Vcvv 2726  [wsbc 2951
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 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-ext 2147
This theorem depends on definitions:  df-bi 116  df-3an 970  df-tru 1346  df-nf 1449  df-sb 1751  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-v 2728  df-sbc 2952
This theorem is referenced by:  findcard2  6855  findcard2s  6856  ac6sfi  6864  nn1suc  8876  indstr  9531  bezoutlemmain  11931  prmind2  12052
  Copyright terms: Public domain W3C validator