Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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