Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.defimpl

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