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Theorem mpbi2and 887
Description: Detach a conjunction of truths in a biconditional. (Contributed by NM, 6-Nov-2011.) (Proof shortened by Wolf Lammen, 24-Nov-2012.)
Hypotheses
Ref Expression
mpbi2and.1
mpbi2and.2
mpbi2and.3
Assertion
Ref Expression
mpbi2and

Proof of Theorem mpbi2and
StepHypRef Expression
1 mpbi2and.1 . . 3
2 mpbi2and.2 . . 3
31, 2jca 518 . 2
4 mpbi2and.3 . 2
53, 4mpbid 201 1
Colors of variables: wff setvar class
Syntax hints:   wi 4   wb 176   wa 358
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 177  df-an 360
This theorem is referenced by: (None)
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