Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

(T /\ (F || ~(q -> r))) || q || r

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.demorganor

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.notnot

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