Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.notnot

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