Last Updated
：2026/01/08
積集合
Hiragana
せきしゅうごう
Noun
Japanese Meaning
二つ以上の集合が共通して持つ要素全体からなる集合。集合Aと集合Bの積集合は、AにもBにも属する要素の集まりを指す。 / （誤用）「直積集合（デカルト積）」の意味で用いられることがあるが、本来は区別されるべき概念。
Easy Japanese Meaning
ふたつのあつまりで、どちらにもふくまれるもののあつまり。 また、あつまりどうしのくみあわせをあつめたもの。
Chinese (Simplified) Meaning
（集合论）交集 / （集合论）直积
Chinese (Traditional) Meaning
交集 / 直積（笛卡兒積）
Korean Meaning
교집합 / 직접곱(곱집합)
Indonesian
irisan (teori himpunan) / hasil kali langsung (teori himpunan)
Vietnamese Meaning
giao (tập hợp) / tích Đề-các / tích trực tiếp (tập hợp)
Tagalog Meaning
interseksyon ng mga kalipunan / tuwirang produkto (kartesyanong produkto) ng mga kalipunan
Sense（1）
(set theory) intersection
Sense（2）
(set theory) direct product
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
(set theory) intersection / (set theory) direct product
See correct answer
積集合
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In math class, I learned about the concept of intersection.
In math class, I learned about the concept of intersection.
See correct answer
数学の授業で、積集合の概念を学びました。
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