Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((r ↔ r) ∧ ¬¬((T ∧ r ∧ r) ∨ F))

⇒ logic.propositional.idempand

¬((r ↔ r) ∧ ¬¬((T ∧ r) ∨ F))