Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.falsezeroor

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