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meager
A meager or Baire first category set in a topological space is one which is a countable union of nowhere dense sets. A Baire second category set is one which contains a countable union of open and dense sets.
Related:
BaireCategoryTheorem
Synonym:
meagre, first category, second category
Type of Math Object:
Definition
Major Section:
Reference
Mathematics Subject Classification
54E52 Baire category, Baire spaces- Forums
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new question: Computation of $\varphi(2000)$ by jeremyboden
May 21
new question: pure subgroups by lvoyster
new correction: Typo in M\"obius function? by Aleph Zero
new collection: analytic number theory by Aleph Zero
May 20
new question: Taylor's Series Query! by unlord
new question: Laplace transform by J
new question: Residue Calculus by J
May 19
new Education: Project: PlanetMath Outlines Series by unlord


