Theorem anw3l ≪ | index | src | ≫

theorem anw3l (a b c d e: wff): $ a -> e $ > $ a /\ b /\ c /\ d -> e $;

Step	Hyp	Ref	Expression
1		hyp h	a -> e
2	1	anwl	a /\ b -> e
3	2	anwll	a /\ b /\ c /\ d -> e

Axiom use

axs_prop_calc (ax_1, ax_2, ax_3, ax_mp)