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Theorem imdistanri 672
Description: Distribution of implication with conjunction. (Contributed by NM, 8-Jan-2002.)
Hypothesis
Ref Expression
imdistanri.1  |-  ( ph  ->  ( ps  ->  ch ) )
Assertion
Ref Expression
imdistanri  |-  ( ( ps  /\  ph )  ->  ( ch  /\  ph ) )

Proof of Theorem imdistanri
StepHypRef Expression
1 imdistanri.1 . . 3  |-  ( ph  ->  ( ps  ->  ch ) )
21com12 27 . 2  |-  ( ps 
->  ( ph  ->  ch ) )
32impac 604 1  |-  ( ( ps  /\  ph )  ->  ( ch  /\  ph ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 358
This theorem is referenced by:  tc2  7443  tpr2rico  23311  seqpo  26560  isdrngo2  26692  pm10.55  27667  2pm13.193VD  28995  a12stdy2-x12  29734
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
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