# Onto Function

## Onto Function (Surjection) -Definition and Examples

Here you will learn what is onto function with definition and examples. Let’s begin – Onto Function (Surjection) Definition Definition : A function f : A $$\rightarrow$$ B is said to be an onto function if every element of B is the f-image of some element of A i.e. , if f(A) = B or …

## One One and Onto Function (Bijection) – Definition and Examples

Here, you will learn one one and onto function (bijection) with definition and examples. Let’s begin – What is Bijection Function (One-One Onto Function) ? Definition : A function f : A $$\rightarrow$$ B is a bijection if it is one-one as well as onto. In other words, a function f : A $$\rightarrow$$ B …