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Theorem
opensMeasurableSpace_iff_forall_measurableSet
Modification history
2023-08-24 13:32
Mathlib/MeasureTheory/Constructions/BorelSpace/Basic.lean
feat: the product of Borel spaces is Borel when either of them is second-countable (#6689) …
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opensMeasurableSpace_iff_forall_measurableSet
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