Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(((¬T ∨ r) ↔ r) ∧ T ∧ T ∧ r)

⇒ logic.propositional.nottrue

¬(((F ∨ r) ↔ r) ∧ T ∧ T ∧ r)