Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.idempor

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

⇒ logic.propositional.absorpand

q || r