Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.demorganor

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.absorpor

r || q