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Theorem 3adant3r1 1194
Description: Deduction adding a conjunct to antecedent. (Contributed by NM, 16-Feb-2008.)
Hypothesis
Ref Expression
3exp.1  |-  ( (
ph  /\  ps  /\  ch )  ->  th )
Assertion
Ref Expression
3adant3r1  |-  ( (
ph  /\  ( ta  /\ 
ps  /\  ch )
)  ->  th )

Proof of Theorem 3adant3r1
StepHypRef Expression
1 3exp.1 . . 3  |-  ( (
ph  /\  ps  /\  ch )  ->  th )
213expb 1186 . 2  |-  ( (
ph  /\  ( ps  /\ 
ch ) )  ->  th )
323adantr1 1141 1  |-  ( (
ph  /\  ( ta  /\ 
ps  /\  ch )
)  ->  th )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    /\ w3a 963
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107
This theorem depends on definitions:  df-bi 116  df-3an 965
This theorem is referenced by:  xmettri3  12844  mettri3  12845  xmetrtri  12846  rprelogbmulexp  13344
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