Last Updated
：2025/11/26
open interval
Noun
Japanese Meaning
数学：実数直線上で、区間の端（上限および下限）を含まない区間。すなわち、指定された2つの実数間のすべての点（両端を除く）が含まれる区間を指す。
（ plural ）
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(mathematics) an interval in the real number line which does not contain its supremum and infimum. If specified by a pair of real numbers, then it consists of all the points on the real line whose values lie strictly between those two real numbers.
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open interval
The solution set of the inequality 0 < x < 1 is the open interval (0, 1).
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The solution set of the inequality 0 < x < 1 is the open interval (0, 1).
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