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Evidence for Latin Square
1 pieces of evidence found.
Id DLP.Evidence.779
Type Contemporary rule description
Location Korea
Date 1700-01-01 - 1700-12-31
Rules NxN grid filled with n symbols which cannot repeat in a row or column.
Content Gusuryak (구수략) by Choi Seok-jeong, a treatise on Latin Squares of order 9 from the Joseon period of Korea. (Sung Sook 2012).
Confidence 100
Source Sung Sook, K. 2012. 'Orthogonal Latin Squares of Choi Seok-Jong.' History and Pedagogy of Mathematics: 823–826.
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