Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

~(q -> r) || (((T /\ q) || r) /\ (~~(T /\ q) || r))

⇒ logic.propositional.notnot

~(q -> r) || (((T /\ q) || r) /\ ((T /\ q) || r))

⇒ logic.propositional.truezeroand

~(q -> r) || (((T /\ q) || r) /\ (q || r))