# Definition:Graph

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## Disambiguation

This page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.

**Graph** may refer to:

- Category Theory
- Graph: the same concept as for graph theory but in the context of categories

- Mapping Theory
- Graph of a Mapping: the relation $\RR = \set {\tuple {x, \map f x}: x \in S}$
- Graph of a Real Function: the subset of $\R^n \times \R^k$: $\map \Gamma f = \set {\tuple {x, y} \in \R^n \times \R^k: x \in U \subseteq \R^n : \map f x = y}$

- Relation Theory
- Graph of a Relation: the
**truth set**of a relation $\RR$ on $S \times T$:

- Graph of a Relation: the

- $\map \TT \RR = \set {\tuple {s, t}: s \mathrel \RR t}$