Exercise logic.propositional.consequence

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

Derivation

p /\ ~p => q

⇒ logic.propositional.compland, initial=TList [TCon logic1.and [TVar "p",TCon logic1.not [TVar "p"]]]

F => q

⇒ assump-false

F /\ q => q

⇒ conj-elim

q => q