Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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