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Theorem simp1r2 1054
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)
Assertion
Ref Expression
simp1r2  |-  ( ( ( th  /\  ( ph  /\  ps  /\  ch ) )  /\  ta  /\  et )  ->  ps )

Proof of Theorem simp1r2
StepHypRef Expression
1 simpr2 964 . 2  |-  ( ( th  /\  ( ph  /\ 
ps  /\  ch )
)  ->  ps )
213ad2ant1 978 1  |-  ( ( ( th  /\  ( ph  /\  ps  /\  ch ) )  /\  ta  /\  et )  ->  ps )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 359    /\ w3a 936
This theorem is referenced by:  lshpkrlem6  29232  atbtwnexOLDN  29563  atbtwnex  29564  3dim3  29585  4atlem11  29725  4atexlem7  30191  cdleme22b  30457
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8
This theorem depends on definitions:  df-bi 178  df-an 361  df-3an 938
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