Theorem ad3antlr

Description: Deduction adding three conjuncts to antecedent. (Contributed by Mario Carneiro, 5-Jan-2017) (Proof shortened by Wolf Lammen, 5-Apr-2022)

	Ref	Expression
Hypothesis	ad2ant.1	|- ( ph -> ps )
Assertion	ad3antlr	|- ( ( ( ( ch /\ ph ) /\ th ) /\ ta ) -> ps )

Proof

Step	Hyp	Ref	Expression
1		ad2ant.1	|- ( ph -> ps )
2	1	adantl	|- ( ( ch /\ ph ) -> ps )
3	2	ad2antrr	|- ( ( ( ( ch /\ ph ) /\ th ) /\ ta ) -> ps )