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Theorem pm11.53v 1764
Description: Version of pm11.53 1983 with a dv condition, requiring fewer axioms. (Contributed by BJ, 7-Mar-2020.)
Assertion
Ref Expression
pm11.53v
Distinct variable groups:   ,   ,   ,

Proof of Theorem pm11.53v
StepHypRef Expression
1 19.21v 1729 . . 3
21albii 1640 . 2
3 19.23v 1760 . 2
42, 3bitri 249 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  <->wb 184  A.wal 1393  E.wex 1612
This theorem is referenced by:  sbnf2  2183
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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