Matches in DBpedia 2016-04 for { ?s ?p <http://dbpedia.org/resource/Category:Basic_concepts_in_set_theory> }
- Union_(set_theory) subject Category:Basic_concepts_in_set_theory.
- Universal_set subject Category:Basic_concepts_in_set_theory.
- Unordered_pair subject Category:Basic_concepts_in_set_theory.
- Category:Basic_concepts_in_infinite_set_theory broader Category:Basic_concepts_in_set_theory.
- Category:Graphical_concepts_in_set_theory broader Category:Basic_concepts_in_set_theory.
- Category:Set_families broader Category:Basic_concepts_in_set_theory.