Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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

⇒ logic.propositional.truezeroand

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