Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.defimpl

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