Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(q → p) ↔ ¬(¬((F ∨ r) ↔ s) ∧ ¬¬s)

⇒ logic.propositional.falsezeroor

¬(q → p) ↔ ¬(¬(r ↔ s) ∧ ¬¬s)