Closed category

https://www.wikidata.org/wiki/Q5135329

Field Hierarchy

Parent
Mathematics 22.2M papers	Pure mathematics 2.9M papers	Discrete mathematics 696k papers	Functor 12.9k papers
Current
Closed category 467 papers
Child
Higher category theory 273 papers	2-category 200 papers	Category of groups 194 papers

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