Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.falsezeroor

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