Timeline for Is a random subset of the real numbers non-measurable? Is the set of measurable sets measurable?
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| Jul 16, 2012 at 23:46 | comment | added | Gene S. Kopp | +1. Ah, of course. The product sigma-algebra contains only sets $\mathcal{S}$ of sets of real numbers in which membership $S \in \mathcal{S}$ is determined by membership $s \in S$ for countably many real numbers $s$. Thanks! | |
| Jul 16, 2012 at 21:23 | history | answered | Will Sawin | CC BY-SA 3.0 |