Theorem imancom ≪ | index | src | ≫

theorem imancom (a b c: wff): $ a /\ (b -> c) -> b -> a /\ c $;

Step	Hyp	Ref	Expression
1		mpcom	b -> (b -> c) -> c
2	1	anim2d	b -> a /\ (b -> c) -> a /\ c
3	2	com12	a /\ (b -> c) -> b -> a /\ c

Axiom use

axs_prop_calc (ax_1, ax_2, ax_3, ax_mp)