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This category contains results about Bijections.
Definitions specific to this category can be found in Definitions/Bijections.

A mapping $f: S \to T$ is a bijection if and only if both:

$(1): \quad f$ is an injection


$(2): \quad f$ is a surjection.

Also see

Pages in category "Bijections"

The following 51 pages are in this category, out of 51 total.