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tomathlib/sum-expectation-bounds#50

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FordUniver wants to merge 3 commits into
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tomathlib/sum-expectation-bounds
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tomathlib/sum-expectation-bounds#50
FordUniver wants to merge 3 commits into
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tomathlib/sum-expectation-bounds

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- Created ToMathlib/SumExpectationBounds/Basic.lean with four lemmas
- Added metadata.yaml tracking this as to_submit status
- Removed lemmas from MulticolorRamsey/Basic.lean and imported from ToMathlib
- Lemmas:
  - Fintype.exists_mul_of_sum_bound: sum bounded by card times max element
  - Finset.exists_mul_of_sum_bound: finset version
  - Finset.exists_le_expect: element exists >= expectation
  - Fin.exists_mul_of_sum_bound: Fin r version with ℝ≥0∞
@FordUniver FordUniver changed the title Move sum and expectation bound lemmas to ToMathlib tomathlib/sum-expectation-bounds Nov 12, 2025
- Use underscore for unused lambda parameters
- Combine multiple use statements
- Apply eta reduction where applicable
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