Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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