Suppose that f is a function from A to B, where A and B are finite sets with |A| = |B|. Show that f is one – to - one if and only if it is onto,
Suppose that f is a function from A to B, where A and B are finite sets with |A| = |B|. Show that f is one – to - one if and only if it is onto,
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.3: Properties Of Composite Mappings (optional)
Problem 10E: Let g:AB and f:BC. Prove that f is onto if fg is onto.
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Suppose that f is a function from A to B. where A and B are finite sets with |A| = |B|. Show that f is one-to-one if and only if it is onto. Answer in equations for latex.
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