Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.absorpand

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

⇒ logic.propositional.absorpand

(q /\ q) || ~~p

⇒ logic.propositional.idempand

q || ~~p