coinitial

coinitial
Having an element b for each element a in the superset such that b is less than or equal to a.

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  • Coinitial — Co in*i tial, a. (Math.) Having a common beginning. [1913 Webster] …   The Collaborative International Dictionary of English

  • Cofinal (mathematics) — In mathematics, let A be a set and let ≤ be a binary relation on A. Then a subset B of A is said to be cofinal if it satisfies the following condition: For every a ∈ A, there exists some b ∈ B such that a ≤ b. This… …   Wikipedia

  • Density (disambiguation) — Density and dense usually refer to a measure of how much of some entity is within a fixed amount of space. Types of density include: In physics, density of mass: Density, mass per volume Area density or surface density, mass over a (two… …   Wikipedia

  • List of order theory topics — Order theory is a branch of mathematics that studies various kinds of binary relations that capture the intuitive notion of ordering, providing a framework for saying when one thing is less than or precedes another. An alphabetical list of many… …   Wikipedia

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