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A BF-algebra is a non-empty subset with a constant and a binary operation satisfying the following: # # # == Example == Let be the set of integers and '' be the binary operation 'subtraction'. Then the algebraic structure obeys the following properties: # # # 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「BF-algebra」の詳細全文を読む スポンサード リンク
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