Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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