Let X = {a, b, c}, T1 = {X, 0, {a}, {b}, {a,b}} and %3D T2 = {X, p, {a}, {c}, {a,c}}. Then one of the %3D following is true: the smallest topology on X containing both T1 and T2 is the discrete topology. O T1UT2 is a topology on X but T10T2 is not O TINT2 and T1UT2 are both topologies on X T1NT2 and T1UT2 both cannot be topologies on X
Let X = {a, b, c}, T1 = {X, 0, {a}, {b}, {a,b}} and %3D T2 = {X, p, {a}, {c}, {a,c}}. Then one of the %3D following is true: the smallest topology on X containing both T1 and T2 is the discrete topology. O T1UT2 is a topology on X but T10T2 is not O TINT2 and T1UT2 are both topologies on X T1NT2 and T1UT2 both cannot be topologies on X
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 13E: 13. Consider the set of all nonempty subsets of . Determine whether the given relation on is...
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