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Theorem mp3anr2 1275
Description: An inference based on modus ponens. (Contributed by NM, 24-Nov-2006.)
Hypotheses
Ref Expression
mp3anr2.1  |-  ch
mp3anr2.2  |-  ( (
ph  /\  ( ps  /\ 
ch  /\  th )
)  ->  ta )
Assertion
Ref Expression
mp3anr2  |-  ( (
ph  /\  ( ps  /\ 
th ) )  ->  ta )

Proof of Theorem mp3anr2
StepHypRef Expression
1 mp3anr2.1 . . 3  |-  ch
2 mp3anr2.2 . . . 4  |-  ( (
ph  /\  ( ps  /\ 
ch  /\  th )
)  ->  ta )
32ancoms 439 . . 3  |-  ( ( ( ps  /\  ch  /\ 
th )  /\  ph )  ->  ta )
41, 3mp3anl2 1272 . 2  |-  ( ( ( ps  /\  th )  /\  ph )  ->  ta )
54ancoms 439 1  |-  ( (
ph  /\  ( ps  /\ 
th ) )  ->  ta )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 358    /\ w3a 934
This theorem is referenced by:  mulgp1  14593  vcz  21126  nvmdi  21208
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-3an 936
  Copyright terms: Public domain W3C validator