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Theorem bnj645 29095
Description:  /\-manipulation. (Contributed by Jonathan Ben-Naim, 3-Jun-2011.) (New usage is discouraged.)
Assertion
Ref Expression
bnj645  |-  ( (
ph  /\  ps  /\  ch  /\ 
th )  ->  th )

Proof of Theorem bnj645
StepHypRef Expression
1 df-bnj17 29028 . 2  |-  ( (
ph  /\  ps  /\  ch  /\ 
th )  <->  ( ( ph  /\  ps  /\  ch )  /\  th ) )
21simprbi 450 1  |-  ( (
ph  /\  ps  /\  ch  /\ 
th )  ->  th )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ w3a 934    /\ w-bnj17 29027
This theorem is referenced by:  bnj708  29101  bnj908  29279  bnj929  29284  bnj964  29291  bnj1110  29328
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 177  df-an 360  df-bnj17 29028
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