doubleton

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

稀用

(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

日本語の意味

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

英語の意味

(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

このボタンはなに？

To illustrate bijections, the professor used a doubleton consisting of the elements a and b.

全単射を説明するために、教授は要素aとbからなる、ちょうど2つの要素を含む集合を用いた。

詳細

意味（1）

(mathematics, rare) A set containing precisely two elements.

意味（2）

(bridge) A pair of cards of the same suit, which are the only cards of that suit in a player's hand

If she had had the doubleton ace of diamonds and a low club, she would have made a four-club splinter bid, showing four-card spade support, the values for game and a singleton or void in clubs.

詳細

doubletons （ plural ）