Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

~(~p || F) || q

⇒ logic.propositional.falsezeroor

~~p || q

⇒ logic.propositional.notnot

p || q