Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.idempor

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