Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.notnot

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