# Changes

## List of problems in mathematical notation

, 03:51, 19 February 2019
no edit summary
| Failure of Leibniz law
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| Omission of index|| Writing things like $\sum_i f(x_i)$ (unclear what set the index ranges over, or the order in which the terms are added) or even just $\sum f(x_i)$ (unclear which variable is the index).
|}
[[Category:Mathematics]]
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