Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

((~T || ~T) /\ r) || q || ~~(p || p)

⇒ logic.propositional.idempor

(~T /\ r) || q || ~~(p || p)

⇒ logic.propositional.nottrue

(F /\ r) || q || ~~(p || p)