Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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