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Theorem 19.32v 1730
Description: Version of 19.32 1967 with a dv condition, requiring fewer axioms. (Contributed by BJ, 7-Mar-2020.)
Assertion
Ref Expression
19.32v
Distinct variable group:   ,

Proof of Theorem 19.32v
StepHypRef Expression
1 19.21v 1729 . 2
2 df-or 370 . . 3
32albii 1640 . 2
4 df-or 370 . 2
51, 3, 43bitr4i 277 1
Colors of variables: wff setvar class
Syntax hints:  -.wn 3  ->wi 4  <->wb 184  \/wo 368  A.wal 1393
This theorem is referenced by:  19.31v  1731  pm10.12  31263
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
This theorem depends on definitions:  df-bi 185  df-or 370  df-ex 1613
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