Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.defimpl

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