Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.absorpor

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

⇒ logic.propositional.falsezeroor

~~p || q || ~~p

⇒ logic.propositional.notnot

p || q || ~~p

⇒ logic.propositional.notnot

p || q || p