点击下载:复旦大学:《离散数学》PPT教学课件(赵一鸣)21/28
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Let p be the set of all nonnegative real numbers. Define on p by a&b=(+b)/(1+a*b) Prove [P; &I is a monoid Let P be the set of all nonnegative real numbers. Define & on P by a&b=(a+b)/(1+a b) Prove[P;&]is a monoid
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点击下载:复旦大学:《离散数学》PPT教学课件(赵一鸣)21/28
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