Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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