Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.demorganor

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.absorpor

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