Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬¬¬((r ↔ r) ∧ ¬¬T ∧ r ∧ r)

⇒ logic.propositional.idempand

¬¬¬((r ↔ r) ∧ ¬¬T ∧ r)