24

Questions
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4
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641
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Choice Function on the Powerset of the Reals

nov 8 10 at 22:56 David Roberts 11.9k●2●18●56

 
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3
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933
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Infinite Field Theory and Category Theory

sep 17 10 at 13:24 Tim Porter 3,805●6●14

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Dualizing the definition of a free group

sep 21 10 at 18:13 Arturo Magidin 2,721●1●12●25

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Is there an Isomorphism between R and C under addition? [closed]

jul 10 10 at 12:45 Gerry Myerson 15.8k●1●47●87

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