Talk:Σ-algebra: Difference between revisions
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:No, any sigma-algebra is either finite or uncountable. [[User:Prumpf|Prumpf]] 13:14, 12 Oct 2004 (UTC) |
:No, any sigma-algebra is either finite or uncountable. [[User:Prumpf|Prumpf]] 13:14, 12 Oct 2004 (UTC) |
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The opening remarks suggest that a sigma algebra satisfies the field axioms - is this true? If so what are the '+' and 'x' operations etc.? |
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--[[User:SgtThroat|SgtThroat]] 13:08, 10 Nov 2004 (UTC) |
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Revision as of 13:08, 10 November 2004
Is exist a infinite sigma algebra on an set X such that be countable?
- No, any sigma-algebra is either finite or uncountable. Prumpf 13:14, 12 Oct 2004 (UTC)
The opening remarks suggest that a sigma algebra satisfies the field axioms - is this true? If so what are the '+' and 'x' operations etc.? --SgtThroat 13:08, 10 Nov 2004 (UTC)