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(A, \leq)是一个偏序关系,若对于任意的元素x, y \in A,都有x \leq yy \leq x,即xy是可比的,则称(A, \leq)为一个全序关系

参见

集合论 | 次序论

Total order | Orden total | Ordre total | Ordine totale | Porządek liniowy | Линейно упорядоченное множество

 

This article is licensed under the GNU Free Documentation License. It uses material from the "全序关系".

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