Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.truezeroand

~(q -> r) || q || r