How to Prove a Function is Surjective | Logic and Proofs
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YouTubeWrath of Math
How to Prove a Function is Surjective | Logic and Proofs
To prove a function is surjective we must take an arbitrary element from its codomain and prove its domain has an element which gets mapped to the taken codomain element. We complete three examples of proving a function is a surjection (also called "onto"). #proofs 0:00 Definition of Surjective 0:43 Problem 1 2:33 Problem 2 4:49 Problem 3 8:53 ...
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