Which of the closed binary operations in Exercise 3 have an identity?

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Discrete and Combinatorial Mathematics An Applied Introduction

ISBN: 978-0201726343

5th edition

Authors: Ralph P. Grimaldi

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Question Posted: Jun 21, 2016 08:23 AM

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Which of the closed binary operations in Exercise 3 have an identity?

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a The identity is z 0 ...View the full answer

Discrete and Combinatorial Mathematics An Applied Introduction

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