Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.defimpl

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