A4lA1llydixpeppino
A4lA1llydixpeppino A4lA1llydixpeppino
  • 18-10-2016
  • Mathematics
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quick! [0, infty) open or closed interval?

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adripimenetel
adripimenetel adripimenetel
  • 18-10-2016
Infinite intervals are closed if they contain a finite endpoint, and open otherwise. The entire real line is an infinite interval that is both open and closed
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