Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

~~~(F || ~p) || F || q

⇒ logic.propositional.falsezeroor

~~~(F || ~p) || q

⇒ logic.propositional.notnot

~(F || ~p) || q

⇒ logic.propositional.falsezeroor

~~p || q

⇒ logic.propositional.notnot

p || q