Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.absorpor

~~F || q || ~~p