Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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