Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

F || ~~p || q

⇒ logic.propositional.notnot

F || p || q