Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.truezeroand

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