Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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