Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

((F || q) /\ (q || (F /\ r))) || ~~p

⇒ logic.propositional.falsezeroand

((F || q) /\ (q || F)) || ~~p

⇒ logic.propositional.falsezeroor

((F || q) /\ q) || ~~p