Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.falsezeroor

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