Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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