Let S : = {1, 2} and T := {a, b, c}. (a) Determine the number of

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Let S : = {1, 2} and T := {a, b, c}.
(a) Determine the number of different injections from S into T.
(b) Determine the number of different surjections from T onto S.

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Introduction to Real Analysis

ISBN: 978-0471433316

4th edition

Authors: Robert G. Bartle, Donald R. Sherbert

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Question Posted: Apr 07, 2016 10:52 AM

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Let S : = {1, 2} and T := {a, b, c}. (a) Determine the number of

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a The element 1 can be mapped into any of the three elements of T and 2 can then be mapped into ...View the full answer

Introduction to Real Analysis

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