Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

(~q /\ T /\ ~((p -> q) /\ T)) -> p

⇒ logic.propositional.truezeroand

(~q /\ T /\ ~(p -> q)) -> p

⇒ logic.propositional.defimpl

(~q /\ T /\ ~(~p || q)) -> p