Let T and T' be topologies on a set X such that T' is strictly finer than T. If Y is a subset of X, show that the subspace topology Ty is finer than Ty.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.1: Vector Spaces And Subspaces
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Let T and T' be topologies on a set X such that T' is strictly finer than T. If Y
is a subset of X, show that the subspace topology Ty is finer than Ty.
Y
An on en m n is a man f . Y_ Y such that for every onen II c Y the set f (II)
Transcribed Image Text:Let T and T' be topologies on a set X such that T' is strictly finer than T. If Y is a subset of X, show that the subspace topology Ty is finer than Ty. Y An on en m n is a man f . Y_ Y such that for every onen II c Y the set f (II)
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