Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.notnot

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