Outrageously Funny Word Dictionary :: Cofinal

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What is the definition of cofinal? 🙋

👉 In mathematics, a cofinal function is a mapping from one set to another that is both injective (one-to-one) and surjective (onto). A function f is said to be cofinal if it maps any element of its codomain onto an element of its range. In other words, for every element x in the domain, there exists at least one element y in the codomain such that f(y) = x. For example: - The function f(x) = 2


cofinal

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