Topological Spaces-Further Examples of Topological Spaces
المؤلف:
David R. Wilkins
المصدر:
Algebraic Topology
الجزء والصفحة:
3
22-9-2016
1922
Example :Given any set X, one can define a topology on X where every subset of X is an open set. This topology is referred to as the discrete topology on X.
Example: Given any set X, one can define a topology on X in which the only open sets are the empty set ∅ and the whole set X.
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