I do know that $2^{n^{2}-n}$ reflexive relations can be created on $n$-element set.
The problem:
Relation $R$ can be created on $n$-element set $A$.
if such relation $R$ is reflexive, then how many elements should $R$ have?
2026-03-31 20:37:22.1774989442
Find the number of elements of reflexive relation on a set of $n$ elements
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