Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.nottrue

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