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Results tagged with notation
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user 450
For questions about mathematical notation, i.e. the symbols used to represent mathematical objects and operations.
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What does the σ in σ-algebra stand for?
From Elstrodt's book Maß- und Integrationstheorie, pages 13-14:
Bei den Wörtern „$\sigma$-Ring", „$\sigma$-Algebra" weist der Vorsatz „$\sigma$-..." darauf hin, daß das betr.
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