Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2019-08-05 15:01 de832056

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refactor(algebra/big_operators) delete duplicates and change names (#1301)

  • refactor(algebra/big_operators) delete duplicates and change names
  • fix build

Estimated changes

deleted theorem finset.sum_le_sum'
deleted theorem finset.sum_le_zero'
deleted theorem finset.sum_le_zero
added theorem finset.sum_nonneg
added theorem finset.sum_nonpos
deleted theorem finset.zero_le_sum'
deleted theorem finset.zero_le_sum