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