Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((r ↔ ¬¬(r ∨ (r ∧ r))) ∧ T ∧ r)

⇒ logic.propositional.idempand

¬((r ↔ ¬¬(r ∨ r)) ∧ T ∧ r)