Theorem jctir

Description: Inference conjoining a theorem to right of consequent in an implication. (Contributed by NM, 31-Dec-1993)

	Ref	Expression
Hypotheses	jctil.1	|- ( ph -> ps )
	jctil.2	|- ch
Assertion	jctir	|- ( ph -> ( ps /\ ch ) )

Proof

Step	Hyp	Ref	Expression
1		jctil.1	|- ( ph -> ps )
2		jctil.2	|- ch
3	2	a1i	|- ( ph -> ch )
4	1 3	jca	|- ( ph -> ( ps /\ ch ) )