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Talk:Set function

From Encyclopedia of Mathematics
Revision as of 14:40, 19 September 2012 by Camillo.delellis (talk | contribs)
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About the extended real line $[-\infty,+\infty]$: but what about $(-\infty)+(+\infty)$?

About hereditary σ-ring: also called σ-ideal.

About topological groups: I guess, only commutative groups appear in this context; really?

Boris Tsirelson (talk) 16:12, 19 September 2012 (CEST)

I agree: I will modify things accordingly. Camillo (talk) 16:40, 19 September 2012 (CEST)

How to Cite This Entry:
Set function. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Set_function&oldid=28296