Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(¬F ∧ r ∧ (r ↔ (F ∨ (r ∧ r))))

⇒ logic.propositional.idempand

¬(¬F ∧ r ∧ (r ↔ (F ∨ r)))