Category:Image of Ultrafilter is Ultrafilter
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This category contains pages concerning Image of Ultrafilter is Ultrafilter:
Let $X, Y$ be sets.
Let $f: X \to Y$ be a mapping.
Let $\FF$ be an ultrafilter on $X$.
Then the image filter $f \sqbrk \FF$ is an ultrafilter on $Y$.
Pages in category "Image of Ultrafilter is Ultrafilter"
The following 3 pages are in this category, out of 3 total.