Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.notnot

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