Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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