Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

((p || q) /\ (r <-> p)) || ((p || q) /\ (r <-> (p || p)))

⇒ logic.propositional.idempor

((p || q) /\ (r <-> p)) || ((p || q) /\ (r <-> p))