Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

~((F || (q /\ T)) -> r) || q || r

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.truezeroand

~(q -> r) || q || r