Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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