1- Let A be a set with n elements where n belongs to w. suppose s do...

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1- Let A be a set with n elements where n "belongs to "w. suppose s "do NOT belong to" A. Show that A U {s} has n+1 element

2- Let A be a set with n + 1 elements, where n belong to w. let S belong to A. Show that A/ {s} has n elements

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Discrete and Combinatorial Mathematics An Applied Introduction

ISBN: 978-0201726343

5th edition

Authors: Ralph P. Grimaldi

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Posted Date: Jun 12, 2019 01:36 AM

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1- Let A be a set with n elements where n belongs to w. suppose s do...

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1 As A and s are disjoint sets So Number of elements ... View the full answer

Discrete and Combinatorial Mathematics An Applied Introduction

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