Exercise logic.propositional.consequence
Description
Prove that formula is a logical consequence of a set of formulas
Derivation
(~p || q) /\ ~q => ~p
⇒ fakeabsorptionnot, initial=TList [TCon logic1.and [TCon logic1.or [TCon logic1.not [TVar "p"],TVar "q"],TCon logic1.not [TVar "q"]]]~p /\ ~q => ~p
⇒ conj-elim~p => ~p