Theorem anwr ≪ | index | src | ≫ 

theorem anwr (a b c: wff): $ b -> c $ > $ a /\ b -> c $;
StepHypRefExpression
1 hyp h 
b -> c
2 anr 
a /\ b -> b
3 1, 2 syl 
a /\ b -> c

Axiom use

axs_prop_calc (ax_1, ax_2, ax_3, ax_mp)