Show that (1) => (2) and (2) => (1). (1) X is connected. (2) There is no continuous function f : X → {-1,1}, where {-1,1} is equipped with discrete topology. Note: The function need not be surjective.
Show that (1) => (2) and (2) => (1). (1) X is connected. (2) There is no continuous function f : X → {-1,1}, where {-1,1} is equipped with discrete topology. Note: The function need not be surjective.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Show that (1) => (2) and (2) => (1).
(1) X is connected.
(2) There is no continuous function f : X → {-1,1}, where {-1,1} is equipped with discrete topology.
Note: The function need not be surjective.
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