Mathematics · Topology
Given the set X = {a, b, c}, which one of the following is NOT a valid topology on X?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1T3 = {∅, {a, b}, {b, c}, X}✓
- 2T2 = {∅, {a, b}, X}
- 3T1 = {∅, {a}, X}
- 4T4 = {∅, {a}, {b, c}, X}
Correct answer
T3 = {∅, {a, b}, {b, c}, X}
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