Mathlib Changelog
v3
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Mathlib v3 is deprecated.
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Commit
2019-03-26 18:22
c0c2edb1
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feat(algebra/big_operators): add Gauss' summation formula
Estimated changes
Modified
src/algebra/big_operators.lean
added
theorem
finset.sum_range_id
added
theorem
finset.sum_range_id_mul_two