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Theorem anabs7 786
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 448 . . 3
21pm4.71ri 615 . 2
32bicomi 194 1
Colors of variables: wff set class
Syntax hints:  <->wb 177  /\wa 359
This theorem is referenced by:  prtlem15  26715  un2122  28839
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8
This theorem depends on definitions:  df-bi 178  df-an 361
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