Theorem simpl3l 1052

Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)

Assertion

Ref	Expression
simpl3l	|- ( ( ( ch /\ th /\ ( ph /\ ps ) ) /\ ta ) -> ph )

Proof of Theorem simpl3l

Step	Hyp	Ref	Expression
1		simp3l 1025	. 2 |- ( ( ch /\ th /\ ( ph /\ ps ) ) -> ph )
2	1	adantr 276	1 |- ( ( ( ch /\ th /\ ( ph /\ ps ) ) /\ ta ) -> ph )

Syntax hints:   -> wi 4   /\ wa 104   /\ w3a 978

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108

This theorem depends on definitions:  df-bi 117  df-3an 980

This theorem is referenced by:  tfisi  4588  ltmul1a  8551  ltmul1  8552  lemul1a  8818  xaddass  9872  dvdsadd2b  11850  dvdsaddre2b  11851  pockthg  12358