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Theorem baibr 828
Description: Move conjunction outside of biconditional. (Contributed by NM, 11-Jul-1994.)
Hypothesis
Ref Expression
baib.1
Assertion
Ref Expression
baibr

Proof of Theorem baibr
StepHypRef Expression
1 baib.1 . . 3
21baib 827 . 2
32bicomd 129 1
Colors of variables: wff set class
Syntax hints:   wi 4   wa 97   wb 98
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101
This theorem depends on definitions:  df-bi 110
This theorem is referenced by:  rbaibr  830  pm5.44  833  exmoeu2  1945  ssnelpss  3283  r19.9rmv  3307  dfopg  3538  brinxp  4351  elioo5  8572
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