8 Topology[0G5]

Let \(X\) be a fixed and non-empty set. We will use this notation. For each set \(A⊆ X\) we define that \(A^ c=X⧵ A\) is the complement to A.

Further informations on these subjects may be found in Chap. 2 of [ 20 ] or in [ 15 ] .

E77

[0G9]↺↻

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[0GB]↺↻

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[0GC]↺↻

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[0GD]↺↻

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[0GF]↺↻

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[0GH]↺↻

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[0GJ]↺↻

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[0GM]↺↻

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[0GQ]↺↻

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[0GS]↺↻

8.1 Neighbourhood, adherent point, isolated point, accumulation point

[29V]↺↻

8.2 Examples

[2BD]↺↻

8.3 Generated topologies

[2BJ]↺↻

8.4 Compactness

[2BF]↺↻

8.5 Connection

[2BG]↺↻

8.6 Nets

[2B6]↺↻

8.7 Continuity and limits

[2B8]↺↻

8.8 Bases

[2B5]↺↻

8.9 First- and second-countable spaces

[2BK]↺↻

8.10 Non-first-countable spaces

[2BM]↺↻