Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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