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Commit 2021-08-16 00:24 462359db

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feat(measure): prove Haar measure = Lebesgue measure on R (#8639)

Estimated changes

Created src/measure_theory/measure/haar_lebesgue.lean

added theorem measure_theory.haar_measure_eq_lebesgue_measure

added theorem measure_theory.is_add_left_invariant_real_volume

added def topological_space.positive_compacts.Icc01