# Injection Function and Surjection Functions

Injection Function and Surjection Functions Injection (or) One – One Function: Definition: A function f: A → B is called an injection. if distinct element f – images in B. an injection is also called a one – one function. f: A → B is an injection ⇔ a₁, a₂ ϵ A and a₁ ≠ a₂ implies Read more about Injection Function and Surjection Functions[…]