Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((T ∨ T) ∧ (r ↔ r) ∧ T ∧ ¬¬r)

⇒ logic.propositional.idempor

¬(T ∧ (r ↔ r) ∧ T ∧ ¬¬r)