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In mathematical notation, ordered set operators indicate whether an object precedes or succeeds another. These relationship operators are denoted by the unicode symbols U+227A-F, along with symbols located unicode blocks U+228x through U+22Ex.

Examples

• The relationship x precedes y is written x ≺ y. The relation x precedes or is equal to y is written x ≼ y.
• The relationship x succeeds (or follows) y is written x ≻ y. The relation x succeeds or is equal to y is written x ≽ y.

Use in political science

In Political science and Decision theory, order relations are typically used in the context of an agent's choice, for example the preferences of a voter over several political candidates.

• x ≺ y means that the voter prefers candidate y over candidate x.
• x ~ y means the voter is indifferent between candidates x and y.
• x ≲ y means the voter is indifferent or prefers candidate y.

See also

• Glossary of mathematical symbols
• Order theory
• Partially ordered set
• Directional symbols
• Polynomial-time reduction

References

1. Cooley, Brandon. "Ordered Sets" (PDF) (Lecture note for: Introduction to Mathematics for Political Science (2019) at Princeton University). pp. 2–3. Retrieved 2021-05-11.

External links

• Wolfram Mathworld: precedes and succeeds

• Mathematical symbols