Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.absorpand

F || q || ~~p || q

⇒ logic.propositional.falsezeroor

q || ~~p || q

⇒ logic.propositional.notnot

q || p || q