Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.nottrue

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

⇒ logic.propositional.falsezeroand

F || ~~(q || ~~p)