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Theorem anabs7 787
Description: Absorption into embedded conjunct. (Contributed by NM, 20-Jul-1996.) (Proof shortened by Wolf Lammen, 17-Nov-2013.)
Assertion
Ref Expression
anabs7

Proof of Theorem anabs7
StepHypRef Expression
1 simpr 449 . . 3
21pm4.71ri 616 . 2
32bicomi 195 1
Colors of variables: wff set class
Syntax hints:  <->wb 178  /\wa 360
This theorem is referenced by:  prtlem15  27061  un2122  29297
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 179  df-an 362
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