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