Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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