Definition:Symmetry

Disambiguation

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Symmetry may refer to:

• Symmetry (of a relation): whether a relation is symmetric, antsymmetric, asymmetric or non-symmetric.
• Symmetry mapping: A movement of a geometric figure so that it looks the same after it has been moved.
• Symmetry group: The set of all symmetry mappings of a geometric figure, the operation being composition of mappings.

Linguistic Note

The word symmetry comes from Greek συμμετρεῖν (symmetría) meaning measure together.