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Theorem simp1r3 1086
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)
Assertion
Ref Expression
simp1r3  |-  ( ( ( th  /\  ( ph  /\  ps  /\  ch ) )  /\  ta  /\  et )  ->  ch )

Proof of Theorem simp1r3
StepHypRef Expression
1 simpr3 996 . 2  |-  ( ( th  /\  ( ph  /\ 
ps  /\  ch )
)  ->  ch )
213ad2ant1 1009 1  |-  ( ( ( th  /\  ( ph  /\  ps  /\  ch ) )  /\  ta  /\  et )  ->  ch )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    /\ wa 369    /\ w3a 965
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 967
This theorem is referenced by:  stoweidlem60  29995  lshpkrlem6  33068  atbtwnexOLDN  33399  atbtwnex  33400  3dim3  33421  3atlem5  33439  lplnle  33492  4atlem11  33561  4atexlem7  34027  cdleme22b  34293
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