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Monotonically increasing function
Set
$X,Y$ |
$ \le_X,\le_Y $ …non-strict partial order |
$ f\in\mathrm{it} $ |
$f:X\to Y$ |
$x,y\in X$ |
$ x\le_X y \implies f(x)\le_Y f(y) $ |
Discussion
Reference
Wikipedia: Monotone function