Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

~(~q || r) || q || r || r

⇒ logic.propositional.idempor

~(~q || r) || q || r