Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.defimpl

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