Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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