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Theorem simp321 1146
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)
Assertion
Ref Expression
simp321

Proof of Theorem simp321
StepHypRef Expression
1 simp21 1029 . 2
213ad2ant3 1019 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  /\w3a 973
This theorem is referenced by:  dalemcnes  35374  dalempnes  35375  dalemrot  35381  dath2  35461  cdleme18d  36020  cdleme20i  36043  cdleme20j  36044  cdleme20l2  36047  cdleme20l  36048  cdleme20m  36049  cdleme20  36050  cdleme21j  36062  cdleme22eALTN  36071  cdlemk16a  36582  cdlemk12u-2N  36616  cdlemk21-2N  36617  cdlemk22  36619  cdlemk31  36622  cdlemk32  36623  cdlemk11ta  36655  cdlemk11tc  36671
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 185  df-an 371  df-3an 975
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