Exercise logic.propositional.consequence

Description
Prove that formula is a logical consequence of a set of formulas

Derivation

Final term is not finished

q => (p /\ q /\ p) || ((~p || ~q) /\ ~p)

⇒ logic.propositional.absorpand

q => (p /\ q /\ p) || ~p

⇒ absorpand-subset

q => (p /\ q) || ~p