Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

~~q || F || ~~p

⇒ logic.propositional.falsezeroor

~~q || ~~p

⇒ logic.propositional.notnot

q || ~~p

⇒ logic.propositional.notnot

q || p