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单词
ranked p0set
释义
ranked p0set
ranked p
0
set
[
¦raŋkt ‚pē′zir·ō
or
′pē‚səb¦zir·ō ‚set
]
(mathematics)
A partially ordered set for which there is a function,
r
, defined on the elements of the set, such that
r
(
x
)=0 if
x
is a minimal element, and
r
(
x
)=
r
(
y
)+1 if
x
covers
y
.
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更新时间:2026/7/26 4:32:00