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#perfect_set_property

Perfect set property

In the mathematical field of descriptive set theory, a subset of a Polish space has the perfect set property if it is either countable or has a nonempty perfect subset. Note that having the perfect set property is not the same as being a perfect set.

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Perfect set property Perfect set Descriptive set theory Set theory Solovay model Cantor set Borel determinacy theorem Analytic set Finite intersection property Pointclass
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