Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.idempor

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