Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.truezeroand

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