Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(r ↔ r) ∨ ¬((T ∨ T) ∧ T ∧ r)

⇒ logic.propositional.idempor

¬(r ↔ r) ∨ ¬(T ∧ T ∧ r)