Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.truezeroand

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