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Theorem bnj1464 34836
Description: Conversion of implicit substitution to explicit class substitution. (Contributed by Jonathan Ben-Naim, 3-Jun-2011.) (New usage is discouraged.)
Hypotheses
Ref Expression
bnj1464.1 (𝜓 → ∀𝑥𝜓)
bnj1464.2 (𝑥 = 𝐴 → (𝜑𝜓))
Assertion
Ref Expression
bnj1464 (𝐴𝑉 → ([𝐴 / 𝑥]𝜑𝜓))
Distinct variable groups:   𝑥,𝐴   𝑥,𝑉
Allowed substitution hints:   𝜑(𝑥)   𝜓(𝑥)

Proof of Theorem bnj1464
StepHypRef Expression
1 bnj1464.1 . . 3 (𝜓 → ∀𝑥𝜓)
21nf5i 2143 . 2 𝑥𝜓
3 bnj1464.2 . 2 (𝑥 = 𝐴 → (𝜑𝜓))
42, 3sbciegf 3830 1 (𝐴𝑉 → ([𝐴 / 𝑥]𝜑𝜓))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wal 1534   = wceq 1536  wcel 2105  [wsbc 3790
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1791  ax-4 1805  ax-5 1907  ax-6 1964  ax-7 2004  ax-8 2107  ax-9 2115  ax-10 2138  ax-12 2174  ax-ext 2705
This theorem depends on definitions:  df-bi 207  df-an 396  df-3an 1088  df-tru 1539  df-ex 1776  df-nf 1780  df-sb 2062  df-clab 2712  df-cleq 2726  df-clel 2813  df-sbc 3791
This theorem is referenced by:  bnj1465  34837  bnj1468  34838
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