Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.truezeroand

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