Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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