Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.absorpand

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

⇒ logic.propositional.falsezeroand

q || F || ~~p

⇒ logic.propositional.falsezeroor

q || ~~p

⇒ logic.propositional.notnot

q || p