What is an onto or surjective function and what does it mean?

An onto function (or 'surjective function') is another type of function in discrete maths.

This essentially means that all elements in the codomain have been assigned to a value in the domain, therefore the range contains all of the elements in the codomain.

Timestamps
00:00:00 Introduction
00:00:46 Onto Functions and How to Define
00:01:42 Another Way to Define an Onto Function
00:02:34 When is a Function is NOT Onto?

Remember - it's never too late!

Cheers,
Steve

Credit :
Timestamps : Mikhael Marpaung

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