Last Updated
：2025/12/08
Cartesian square
Noun
Japanese Meaning
集合論において、集合 X のデカルト積 X² = X × X を指し、X の各要素の順序対によって成る集合を意味する。 / 圏論において、ある図式が引き戻し（pullback）となる正方形を意味する。
（ plural ）
Quizzes for review
(set theory) For a set X, the Cartesian product X² = X × X. / (category theory) A pullback.
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Cartesian square
To study relations on a set X, begin by considering the Cartesian square X² = X × X.
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To study relations on a set X, begin by considering the Cartesian square X² = X × X.
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