Theorem eim ≪ | index | src | ≫

theorem eim (a b c: wff): $ a -> (b -> c) -> (a -> b) -> c $;

Step	Hyp	Ref	Expression
1		mpcom	a -> (a -> b) -> b
2	1	imim1d	a -> (b -> c) -> (a -> b) -> c

Axiom use

axs_prop_calc (ax_1, ax_2, ax_mp)