Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((¬¬(r ∨ r) ↔ (F ∨ r)) ∧ T ∧ r)

⇒ logic.propositional.idempor

¬((¬¬r ↔ (F ∨ r)) ∧ T ∧ r)