Last Updated
：2025/11/23
doubleton
Noun
rare
Japanese Meaning
数学: 厳密に２つの要素を含む集合 / ブリッジ: 同じスートのカードが、手札の中で唯一２枚存在する状態
（ plural ）
Quizzes for review
(mathematics, rare) A set containing precisely two elements. / (bridge) A pair of cards of the same suit, which are the only cards of that suit in a player's hand
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See correct answer
doubleton
To illustrate bijections, the professor used a doubleton consisting of the elements a and b.
See correct answer
To illustrate bijections, the professor used a doubleton consisting of the elements a and b.
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