Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.notnot

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