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Chang's model : ウィキペディア英語版 | Chang's model In mathematical set theory, Chang's model is the smallest inner model of set theory closed under countable sequences. It was introduced by . More generally Chang introduced the smallest inner model closed under taking sequences of length less than κ for any infinite cardinal κ. For κ countable this is the constructible universe, and for κ the first uncountable cardinal it is Chang's model. ==References==
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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「Chang's model」の詳細全文を読む
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