Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.falsezeroor

~(T /\ (~q || r)) || q || r