Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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