# A Diagonal Inequality

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Contributed by: Ed Pegg Jr (August 2022)

Open content licensed under CC BY-NC-SA

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Reference

[1] N. Stojanović, "Proof without Words: Inequality for the Sum of the Diagonals," *The Mathematical Intelligencer*, 43(4), 2021 p. 32. doi:10.1007/s00283-021-10075-9.

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