Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((((T ∨ T) ∧ r) ↔ r) ∧ r)

⇒ logic.propositional.idempor

¬(((T ∧ r) ↔ r) ∧ r)