Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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