スレタイ 箱入り無数目を語る部屋27(あほ二人の”アナグマの姿焼き”w) (672レス)
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496
(2): 現代数学の系譜 雑談 ◆yH25M02vWFhP 11/23(土)18:37 ID:dngn2gaF(18/22) AAS
>>495
ふっふ、ほっほw ;p)

 >>491より再録
要するに、 ”An essential point of this proof is that it involves only a single arbitrary choice, that of R;”
(”Well-ordering theorem”で 単語”choice”は、重要キーワードです)

”a subset of the real numbers that is not Lebesgue measurable can be proved to exist using the axiom of choice, it is consistent that no such set is definable.[8]”
(Axiom of choice Criticism and acceptance)

””Because there is no canonical well-ordering of all sets, a construction that relies on a well-ordering may not produce a canonical result”
(Axiom of choice Criticism and acceptance)

w ;p)
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あと 176 レスあります
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