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Theorem adantlrr 487
Description: Deduction adding a conjunct to antecedent. (Contributed by NM, 26-Dec-2004.) (Proof shortened by Wolf Lammen, 4-Dec-2012.)
Hypothesis
Ref Expression
adantl2.1  |-  ( ( ( ph  /\  ps )  /\  ch )  ->  th )
Assertion
Ref Expression
adantlrr  |-  ( ( ( ph  /\  ( ps  /\  ta ) )  /\  ch )  ->  th )

Proof of Theorem adantlrr
StepHypRef Expression
1 simpl 109 . 2  |-  ( ( ps  /\  ta )  ->  ps )
2 adantl2.1 . 2  |-  ( ( ( ph  /\  ps )  /\  ch )  ->  th )
31, 2sylanl2 407 1  |-  ( ( ( ph  /\  ( ps  /\  ta ) )  /\  ch )  ->  th )
Colors of variables:    wff set class
This proof depends on syntax axioms:    -> wi 4    /\ wa 104
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This theorem is used by:  exmidfodomrlemim  7553  distrlem1prl  7949  distrlem1pru  7950  cnegex  8504  lcmgcdlem  12855  lcmdvds  12857  ballotfilemfc0  13232  ballotfilemfcc  13233  conjnmzb  14083  metss2lem  15598  dvmptfsum  15826
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