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. 8, p. 212–216, 2021. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/3990. Acesso em: 13 aug. 2026.