Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.truezeroand

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