Theorem jctir 306

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

Hypotheses

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

Assertion

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

Proof of Theorem jctir

Step	Hyp	Ref	Expression
1		jctil.1	. 2 |- ( ph -> ps )
2		jctil.2	. . 3 |- ch
3	2	a1i 9	. 2 |- ( ph -> ch )
4	1, 3	jca 300	1 |- ( ph -> ( ps /\ ch ) )

Syntax hints:   -> wi 4   /\ wa 102

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

This theorem is referenced by:  jctr  308  equvini  1681  funtp  4972  foimacnv  5164  respreima  5316  fpr  5366  dmtpos  5894  ssdomg  6281  archnqq  6607  recexgt0sr  6950  ige2m2fzo  9207  climeu  10135  algcvgblem  10431  qredeu  10479