IT IS GENERALLY IMPOSSIBLE TO DETERMINE WHETHER A RATIONAL POINT LIES IN THE INTERIOR OR ON THE BOUNDARY OF A CLOSED SET ALGORITHMICALLY. International Journal of Food and Nutritional Sciences, [S. l.], v. 10, n. 11, p. 331–335, 2021. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/4383. Acesso em: 13 aug. 2026.