Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notfalse

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