Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((r ↔ (T ∧ r)) ∧ ¬¬(T ∧ r ∧ r))

⇒ logic.propositional.idempand

¬((r ↔ (T ∧ r)) ∧ ¬¬(T ∧ r))