Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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