partially ordered set
a set in which a relation as “less than or equal to” holds for some pairs of elements of the set, but not for all.
What is the difference between partly and partially?
Generally, the words may be used interchangeably to refer to some amount or degree that is less than the whole. For example, you can say: She is partly responsible for their fighting. / She is partially responsible for their fighting. However, partially may imply favoritism because it is related to ‘partial’ and does have the archaic sense ‘in a biased manner’. To avoid ambiguity when describing favoritism, say: He is ‘partial’ …
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Origin of partially ordered set
First recorded in 1970–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019