论文信息 - Canonical Equivalence Relations on ℚn

Canonical Equivalence Relations on ℚn

We show that for each positive integer n there is a finite list of equivalence relations on [ℚ]n with the property that for every other equivalence relation E on [ℚ]n there is X⊂ℚ of order type equal to the order type of ℚ, such that E↾[X]n is equal to one of the equivalence relations from the list.

Vojkan Vuksanovic

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