单纯范畴
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small category, whose objects are sets of natural numbers of the form {0,1,…,n}, and whose morphisms are nondecreasing functions
Article · 中文
数学裡，单纯范畴（simplicial category）或序数范畴（ordinal category）是范畴论中用来定义单纯与余单纯对象的一个构造。
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