Last Updated
：2025/12/23
空集合
Hiragana
くうしゅうごう
Noun
Japanese Meaning
数学において，要素を一つも持たない集合のこと。記号∅や{}で表される。 / 何も含まれていないことのたとえとして用いられる表現。
Easy Japanese Meaning
どのようなものもひとつも入っていないあつまりのこと
Chinese (Simplified)
不含任何元素的集合 / 符号∅表示的集合
Sense（1）
(mathematics) empty set
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
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空集合
See correct answer
In mathematics, an empty set refers to a set that does not contain any elements.
In mathematics, an empty set refers to a set that does not contain any elements.
See correct answer
数学では、空集合は要素を一つも含まない集合を指します。
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