Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.idempor

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

⇒ logic.propositional.falsezeroand

F || q || ~~p

⇒ logic.propositional.falsezeroor

q || ~~p

⇒ logic.propositional.notnot

q || p