Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(q → p) ↔ ¬(¬(r ↔ s) ∧ ¬(T ∧ ¬s))

⇒ logic.propositional.truezeroand

¬(q → p) ↔ ¬(¬(r ↔ s) ∧ ¬¬s)