Theorem 3ad2antl3 1068

Description: Deduction adding conjuncts to antecedent. (Contributed by NM, 4-Aug-2007.)

Hypothesis

Ref	Expression
3ad2antl.1	|- ( ( ph /\ ch ) -> th )

Assertion

Ref	Expression
3ad2antl3	|- ( ( ( ps /\ ta /\ ph ) /\ ch ) -> th )

Proof of Theorem 3ad2antl3

Step	Hyp	Ref	Expression
1		3ad2antl.1	. . 3 |- ( ( ph /\ ch ) -> th )
2	1	adantll 445	. 2 |- ( ( ( ta /\ ph ) /\ ch ) -> th )
3	2	3adantl1 1060	1 |- ( ( ( ps /\ ta /\ ph ) /\ ch ) -> th )

Syntax hints:   -> wi 4   /\ wa 97   /\ w3a 885

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101

This theorem depends on definitions:  df-bi 110  df-3an 887

This theorem is referenced by:  rspc3ev  2666  brcogw  4504  cocan1  5427  ov6g  5638  prarloclemarch2  6517  ltpopr  6693  ltsopr  6694  zdivmul  8330