Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.notnot

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