Theorem jctird 315

Description: Deduction conjoining a theorem to right of consequent in an implication. (Contributed by NM, 21-Apr-2005.)

Hypotheses

Ref	Expression
jctird.1	|- ( ph -> ( ps -> ch ) )
jctird.2	|- ( ph -> th )

Assertion

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

Proof of Theorem jctird

Step	Hyp	Ref	Expression
1		jctird.1	. 2 |- ( ph -> ( ps -> ch ) )
2		jctird.2	. . 3 |- ( ph -> th )
3	2	a1d 22	. 2 |- ( ph -> ( ps -> th ) )
4	1, 3	jcad 305	1 |- ( ph -> ( ps -> ( ch /\ th ) ) )

Syntax hints:   -> wi 4   /\ wa 103

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

This theorem is referenced by:  anc2ri  328  ordunisuc2r  4438  fnun  5237  fco  5296  fiintim  6825  cauappcvgprlemladdru  7488  cauappcvgprlemladdrl  7489  caucvgprlemnkj  7498  dvdsdivcl  11584  cnrest2  12444  cnptopresti  12446  bdxmet  12709