Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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