Consequence Operators and Information Algebras. Communications in Mathematical Research, [S. l.], v. 35, n. 2, p. 106–114, 2019. DOI: 10.13447/j.1674-5647.2019.02.02. Disponível em: https://global-sci.com/index.php/cmr/article/view/8994. Acesso em: 5 dec. 2025.