Theorem 3ad2antr1 1189

Description: Deduction adding a conjuncts to antecedent. (Contributed by NM, 25-Dec-2007.)

Hypothesis

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

Assertion

Ref	Expression
3ad2antr1	|- ( ( ph /\ ( ch /\ ps /\ ta ) ) -> th )

Proof of Theorem 3ad2antr1

Step	Hyp	Ref	Expression
1		3ad2antl.1	. . 3 |- ( ( ph /\ ch ) -> th )
2	1	adantrr 479	. 2 |- ( ( ph /\ ( ch /\ ps ) ) -> th )
3	2	3adantr3 1185	1 |- ( ( ph /\ ( ch /\ ps /\ ta ) ) -> th )

Syntax hints:   -> wi 4   /\ wa 104   /\ w3a 1005

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 1007

This theorem is referenced by:  ispod  4430  poxp  6441  fzosubel2  10562  hashdifpr  11210  pfxccat3a  11455  grpsubadd  13843  mulgnnass  13910  mulgnn0ass  13911  issubg2m  13942  srgdilem  14212  lsssn0  14644  dvconst  15685  dvconstre  15687  isclwwlk  16515  clwwlkccatlem  16521  clwwlkccat  16522