Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.falsezeroor

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