Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(q → p) ↔ (¬T ∨ (((r ↔ s) ∨ ¬s) ∧ T))

⇒ logic.propositional.nottrue

¬(q → p) ↔ (F ∨ (((r ↔ s) ∨ ¬s) ∧ T))