Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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