Category:Definitions/Injections
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This category contains definitions related to Injections.
Related results can be found in Category:Injections.
A mapping $f$ is an injection, or injective if and only if:
- $\forall x_1, x_2 \in \Dom f: \map f {x_1} = \map f {x_2} \implies x_1 = x_2$
That is, an injection is a mapping such that the output uniquely determines its input.
Subcategories
This category has the following 3 subcategories, out of 3 total.
C
M
Pages in category "Definitions/Injections"
The following 19 pages are in this category, out of 19 total.
I
- Definition:Injection
- Definition:Injection (Class Theory)
- Definition:Injection/Also known as
- Definition:Injection/Class Theory
- Definition:Injection/Definition 1
- Definition:Injection/Definition 1 a
- Definition:Injection/Definition 2
- Definition:Injection/Definition 3
- Definition:Injection/Definition 4
- Definition:Injection/Definition 5
- Definition:Injection/Definition 6
- Definition:Injection/Graphical Depiction
- Definition:Injective Restriction