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Theorem simpl3l 994
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)
Assertion
Ref Expression
simpl3l  |-  ( ( ( ch  /\  th  /\  ( ph  /\  ps ) )  /\  ta )  ->  ph )

Proof of Theorem simpl3l
StepHypRef Expression
1 simp3l 967 . 2  |-  ( ( ch  /\  th  /\  ( ph  /\  ps )
)  ->  ph )
21adantr 270 1  |-  ( ( ( ch  /\  th  /\  ( ph  /\  ps ) )  /\  ta )  ->  ph )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 102    /\ w3a 920
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106
This theorem depends on definitions:  df-bi 115  df-3an 922
This theorem is referenced by:  tfisi  4365  ltmul1a  7968  ltmul1  7969  lemul1a  8213  dvdsadd2b  10623
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