1. Let X = {1,2,3} with the topology 1={X,¢.{1,2},{2,3},{2}}. Verify whetherX is regular or not. Explain your answer in details.

Answered: Image /qna-images/answer/d3895132-d863-4e41-8497-4164f5254585.jpg

Answered: 1. Let X = {1,2,3} with the topology…

1. Let X = {1,2,3} with the topology 1={X,ø,{1,2},{2,3},{2}}. Verify whether X is regular or not. Explain your answer in details.

Elementary Geometry for College Students

6th Edition

ISBN:9781285195698

Author:Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:Daniel C. Alexander, Geralyn M. Koeberlein

Chapter10: Analytic Geometry

Section10.4: Analytic Proofs

Problem 30E: Complete an analytic proof of the following theorem: In a triangle that has sides of lengths a,b,...

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1. Let X = {1,2,3} with the topology 1={X,¢.{1,2},{2,3},{2}}. Verify whether
X is regular or not. Explain your answer in details.

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