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Commit 2023-05-01 03:53 7317149f

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chore(measure_theory/integral): split up measure_theory.integral.lebesgue (#18904) This PR shortens the 3056-line-long file measure_theory.integral.lebesgue, by removing a 1000-line initial segment into a new file measure_theory.function.simple_func.

Estimated changes

added structure measure_theory.{u
deleted structure measure_theory.{u