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Name of binary relation: if $(x, y)\in R$ then there is no $z$ such that $(y, z)\in R$
Is there a term for a binary relation $R\subset A^2$ on some set $A$ such that if $(x, y)\in R$ then there is no $z$ such that $(y, z)\in R$ ? Are there any examples of it? Are there any related ...
Mar 14 '12 at 23:42
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