Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.falsezeroor

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