Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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