Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.absorpand

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