Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(q → p) ↔ (¬(s ∨ F) ∨ F ∨ (r ↔ s))

⇒ logic.propositional.falsezeroor

¬(q → p) ↔ (¬s ∨ F ∨ (r ↔ s))