Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.absorpand

q || (T /\ ~~p)

⇒ logic.propositional.truezeroand

q || ~~p

⇒ logic.propositional.notnot

q || p