Show that a collection {(-∞,q) C R | q is rational } is a basis for a topology on R.

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Inner Product Spaces
Section5.3: Orthonormal Bases:gram-schmidt Process
Problem 17E: Complete Example 2 by verifying that {1,x,x2,x3} is an orthonormal basis for P3 with the inner...
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(a) Show that a collection {(-∞, q) C R | q is rational } is a basis for a topology on R.
(b) Show this basis generates the same topology on R as the topology in Homework 2 problem
(4).
Transcribed Image Text:(a) Show that a collection {(-∞, q) C R | q is rational } is a basis for a topology on R. (b) Show this basis generates the same topology on R as the topology in Homework 2 problem (4).
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