Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

~(q -> r) || ~(F || ~(q || r))

⇒ logic.propositional.demorganor

~(q -> r) || ~(F || (~q /\ ~r))

⇒ logic.propositional.falsezeroor

~(q -> r) || ~(~q /\ ~r)