Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.absorpor

~~p || q || ~~p

⇒ logic.propositional.notnot

p || q || ~~p

⇒ logic.propositional.notnot

p || q || p