Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.idempor

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