Theorem an6l ≪ | index | src | ≫

theorem an6l (a b c d e f g: wff): $ a /\ b /\ c /\ d /\ e /\ f /\ g -> a $;

Step	Hyp	Ref	Expression
1		an5l	a /\ b /\ c /\ d /\ e /\ f -> a
2	1	anwl	a /\ b /\ c /\ d /\ e /\ f /\ g -> a

Axiom use

axs_prop_calc (ax_1, ax_2, ax_3, ax_mp)