Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.notnot

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