8. Give an example of each of the following : (a) a set which is a nbd. of each of its points, (b) a set which is not a nbd. of any of its points, (c) a set which is a nbd. of each of its points with the exception of ane point, (d) a set which is not an interval but is a nbd. of each of its points.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.1: Sets And Geometry
Problem 11E: For the sets gives in Exercise 9, is there a distributive relationship for union with respect with...
icon
Related questions
Question
b,c,d only
8. Give an example of each oj the following:
(a) a set which is a nbd. of each of its points,
(b) a set which is not a nbd. of any of its points,
(c) a set which is a nbd. of each of its points with the exception of
опе point,
(d) a set which is not an interval but is a nbd. of each of its points.
Transcribed Image Text:8. Give an example of each oj the following: (a) a set which is a nbd. of each of its points, (b) a set which is not a nbd. of any of its points, (c) a set which is a nbd. of each of its points with the exception of опе point, (d) a set which is not an interval but is a nbd. of each of its points.
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer