Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.notnot

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