Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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