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Theorem anandir 525
Description: Distribution of conjunction over conjunction. (Contributed by NM, 24-Aug-1995.)
Assertion
Ref Expression
anandir

Proof of Theorem anandir
StepHypRef Expression
1 anidm 376 . . 3
21anbi2i 430 . 2
3 an4 520 . 2
42, 3bitr3i 175 1
Colors of variables: wff set class
Syntax hints:   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:  anandi3r  898  fununi  4910  imadiflem  4921  imadif  4922  imainlem  4923  elfzuzb  8614
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