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How many binary relations are there on a set $A$ with $n$ elements?
asked in Set Theory & Algebra by Veteran (29.5k points)   | 104 views

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Total number of  binary relation from n element set to itself is $2^{n^{2}}$ I.e.n2 entries with two choice take it or not.

answered by Veteran (47.3k points)  
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