Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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