Bijection, injection, and surjection are concepts from set theory and mathematics that describe different types of functions or mappings between sets. Here’s a brief explanation of each: ### 1. Injection (One-to-One Function) A function \( f: A \to B \) is called an **injection** (or one-to-one function) if it maps distinct elements from set \( A \) to distinct elements in set \( B \).
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