Measure theory 1.3.5: Lebesgue measurability in Egorov and Lusin#547
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These exceptional sets are measured with Lebesgue measure; the chapter uses Lebesgue measurability elsewhere, not Borel MeasurableSet. Co-authored-by: Cursor <cursoragent@cursor.com>
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Egorov/Lusin pick an exceptional set E with small Lebesgue measure — that's Lebesgue measurability, not Borel. |
This was referenced Jun 28, 2026
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Summary
LebesgueMeasurable Einstead ofMeasurableSet EwhenLebesgue_measureis applied.Test plan
lake build Analysis/MeasureTheory/Section_1_3_5.leanRelated to #517.
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