Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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