Definition:Composition
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Composition may refer to:
- Set Theory:
- Composition of Mappings
- Composition of Relations: $\RR_2 \circ \RR_1 = \set {\tuple {x, z}: x \in S_1, z \in S_3: \exists y \in S_2: \tuple {x, y} \in \RR_1 \land \tuple {y, z} \in \RR_2}$
- Abstract Algebra:
- Another word for an operation, usually binary.
- Composition of Binary Quadratic Forms
- Definition:Composition Series
- Combinatorics:
- A $k$-composition of a strictly positive integer $n \in \Z_{>0}$ is an ordered $k$-tuple: $c = \tuple {c_1, c_2, \ldots, c_k}$ such that $c_1 + c_2 + \cdots + c_k = n$ and $\forall i \in \closedint 1 k: c_i \in \Z_{>0}$
- Euclid: