Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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