Theorem anw4l ≪ | index | src | ≫

theorem anw4l (a b c d e f: wff): $ a -> f $ > $ a /\ b /\ c /\ d /\ e -> f $;

Step	Hyp	Ref	Expression
1		hyp h	a -> f
2	1	anwl	a /\ b -> f
3	2	anw3l	a /\ b /\ c /\ d /\ e -> f

Axiom use

axs_prop_calc (ax_1, ax_2, ax_3, ax_mp)