Kádek, T.,
Mihálydeák, T.:
Some fundamental laws of partial first-order logic based on set approximations.
In: Rough Sets and Current Trends in Soft Computing : 9th International Conference, RSCTC 2014, Granada and Madrid, Spain, July 9-13, 2014, Proceedings. Eds.: Cornelis, C., Kryszkiewicz, M., Slezak, D., Menasalvas Ruiz, E., Bello, R., Shang, L, Springer, Cham, 47-58, 2014, (Lecture Notes in Artificial Intelligence, ISSN 0302-9743 ; vol. 8536.) ISBN: 9783319086439