Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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