Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.falsezeroand

F || q || ~~p