Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(((¬¬(r ∨ r) ↔ r) ∧ T ∧ r) ∨ ((¬¬r ↔ r) ∧ T ∧ r))

⇒ logic.propositional.idempor

¬(((¬¬r ↔ r) ∧ T ∧ r) ∨ ((¬¬r ↔ r) ∧ T ∧ r))