Commit 2025-08-10 12:55 1bc57918

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feat: taking the product of probability measures is a continuous map (#27932)

Estimated changes

Modified Mathlib/MeasureTheory/Constructions/BorelSpace/Basic.lean

added theorem null_frontier_inter

Modified Mathlib/MeasureTheory/Measure/FiniteMeasure.lean

added theorem MeasureTheory.FiniteMeasure.apply_union_le

Modified Mathlib/MeasureTheory/Measure/FiniteMeasureProd.lean

modified theorem MeasureTheory.FiniteMeasure.prod_prod

added theorem MeasureTheory.ProbabilityMeasure.continuous_prod

modified theorem MeasureTheory.ProbabilityMeasure.prod_prod

Modified Mathlib/MeasureTheory/Measure/ProbabilityMeasure.lean

added theorem MeasureTheory.ProbabilityMeasure.apply_union_le