Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroor

~q -> ~~p

⇒ logic.propositional.notnot

~q -> p

⇒ logic.propositional.defimpl

~~q || p

⇒ logic.propositional.notnot

q || p