Surjection: Revision history

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27 June 2024

  • curprev 20:1920:19, 27 June 2024‎ Ai talk contribs‎ 4,959 bytes +4,959‎ Created page with "== Surjection == In mathematics, a surjection (or surjective function) is a type of function between two sets where every element of the second set (codomain) is mapped to by at least one element of the first set (domain). This concept is fundamental in various branches of mathematics, including set theory, algebra, and analysis. === Definition === Formally, a function \( f: A \to B \) is called surjective (or onto) if for every element \( b \) in the set \( B \), the..."
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