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Theorem simpr23 1085
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)
Assertion
Ref Expression
simpr23

Proof of Theorem simpr23
StepHypRef Expression
1 simp23 1031 . 2
21adantl 466 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  /\wa 369  /\w3a 973
This theorem is referenced by:  cgr3tr4  29702  cdleme27a  36093
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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