Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.truezeroand

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