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Questions › DSE › DSE 2005 › Q6
2 marks, −1Mathematics › Real analysis › Topology of the real line: open, closed and compact setsHardabout 3 min

DSE 2005 Question 6: Real analysis

For the Society in which Clubs are closed under arbitrary union and finite intersection (with the whole Society and empty set as Clubs) and a Tribe is the complement of a Club: the intersection of a collection of Tribes is necessarily

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Real analysis has come up 38 times in 5 exams since 2005.

What this question tests

This question is on Topology of the real line: open, closed and compact sets, part of Real analysis in Mathematics.

Which sets are open, closed or compact and how unions and intersections behave.

TestStop has 29 past-paper questions on this subtopic.

Practise Real analysisMore on Topology of the real line: open, closed and compact sets

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Question from the DSE 2005 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.