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Commit 2022-05-09 09:20 1d9d5739

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feat(algebra/order/monoid_lemmas_zero_lt): add some lemmas assuming has_mul has_zero preorder (#13296)

Estimated changes

Modified src/algebra/order/monoid_lemmas_zero_lt.lean

added theorem zero_lt.le_mul_of_le_mul_left

added theorem zero_lt.le_mul_of_le_mul_right

added theorem zero_lt.lt_mul_of_lt_mul_left

added theorem zero_lt.lt_mul_of_lt_mul_right

added theorem zero_lt.mul_le_mul_of_le_of_le'

added theorem zero_lt.mul_le_mul_of_le_of_le

added theorem zero_lt.mul_le_of_mul_le_left

added theorem zero_lt.mul_le_of_mul_le_right

added theorem zero_lt.mul_lt_mul_of_le_of_lt'

added theorem zero_lt.mul_lt_mul_of_le_of_lt

added theorem zero_lt.mul_lt_mul_of_lt_of_le'

added theorem zero_lt.mul_lt_mul_of_lt_of_le

added theorem zero_lt.mul_lt_mul_of_lt_of_lt'

added theorem zero_lt.mul_lt_mul_of_lt_of_lt

added theorem zero_lt.mul_lt_of_mul_lt_left

added theorem zero_lt.mul_lt_of_mul_lt_right