A NEW, MORE FRUITFUL, DETERMINATION OF THE METRIC (DISTANCE) IN A SET OF FINITE SETS, AND A METRIC CRITERION FOR THE SIMPLICITY OF A NATURAL NUMBER. International Bulletin of Applied Science and Technology, [S. l.], v. 2, n. 11, p. 104–109, 2022. Disponível em: https://researchcitations.com/index.php/ibast/article/view/263. Acesso em: 30 aug. 2025.