Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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