On a set X, consider the collection consisting of four of its subsets, given by Γ = {X, ∅, A, B}, where A and B are non-empty distinct proper subsets of X. What conditions must A and B satisfy for Γ to be a topology on X?
On a set X, consider the collection consisting of four of its subsets, given by Γ = {X, ∅, A, B}, where A and B are non-empty distinct proper subsets of X. What conditions must A and B satisfy for Γ to be a topology on X?
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.3: Subgroups
Problem 27E: (See Exercise 26) Let A be an infinite set, and let H be the set of all fS(A) such that f(x)=x for...
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Question
On a set X, consider the collection consisting of four of its subsets, given by Γ =
{X, ∅, A, B}, where A and B are non-empty distinct proper subsets of X. What conditions must A
and B satisfy for Γ to be a topology on X?
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