Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.idempor

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