Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.truezeroand

((q -> r) -> q) || r