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Theorem 19.36iv 1763
Description: Inference associated with 19.36v 1762. Version of 19.36i 1965 with a dv condition. (Contributed by NM, 5-Aug-1993.) Reducedependencies on axioms. (Revised by Wolf Lammen, 17-Jan-2020.)
Hypothesis
Ref Expression
19.36iv.1
Assertion
Ref Expression
19.36iv
Distinct variable group:   ,

Proof of Theorem 19.36iv
StepHypRef Expression
1 19.36iv.1 . 2
2 19.36v 1762 . 2
31, 2mpbi 208 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  A.wal 1393  E.wex 1612
This theorem is referenced by:  vtocl2  3162  vtocl3  3163  zfcndext  9012
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1618  ax-4 1631  ax-5 1704  ax-6 1747
This theorem depends on definitions:  df-bi 185  df-ex 1613
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