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Show new changes starting from 10:55, 11 December 2025
 
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11 December 2025

10 December 2025

  • diffhist Ordinal number 20:55 +24 Americanastronaut talk contribs (IMO describing this property as "proper subsets are elements" is incredibly misleading/confusing for a casual reader, who is likely to interpret it literally as saying that an arbitrary proper subset of an ordinal must also be an element of that ordinal. In my experience teaching, this kind of elementary confusion is extremely common and great pains should be taken to avoid it whenever possible.)