A property is said to be a topological property if it is preserved by homeomorphism. Suppose that Ris equipped with the usual topology, then the boundedness and the closedness are not topological properties because O [0,1] is not homeomorphic to ]0,1[ Ris homeomorphic to ]0,1[ R is homeomorphic to ]0, +o[ O 1-0,0] is homeomorphic to [0,+[

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.5: Permutations And Inverses
Problem 8E: 8. a. Prove that the set of all onto mappings from to is closed under composition of mappings. b....
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Topology
A property is said to be a topological
property if it is preserved by
homeomorphism. Suppose that Ris
equipped with the usual topology, then the
boundedness and the closedness are not
topological properties because *
[0,1] is not homeomorphic to ]0,1[
R is homeomorphic to ]0,1[
R is homeomorphic to ]0, +o[
O 1-00,0] is homeomorphic to [0,+o[
Transcribed Image Text:A property is said to be a topological property if it is preserved by homeomorphism. Suppose that Ris equipped with the usual topology, then the boundedness and the closedness are not topological properties because * [0,1] is not homeomorphic to ]0,1[ R is homeomorphic to ]0,1[ R is homeomorphic to ]0, +o[ O 1-00,0] is homeomorphic to [0,+o[
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