Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.absorpand

~~q || ~~p