Half open intervals in a Borel $\sigma$-algebra
139612
Follow-up regarding right-continuous $f:\mathbb{R} \to\mathbb{R}$ is Borel measurable
110450
probability measure on $\sigma$-algebra
11082
Borel-Cantelli Lemma "Corollary" in Royden and Fitzpatrick
91736
Explicit homeomorphism between open and closed rational intervals?
142594
Verifying the interpretation of stopping times and stopping time $\sigma$-algebras
150287
Spectral radii and norms of similar elements in a C*-algebra: $\|bab^{-1}\|<1$ if $b=(\sum_{n=0}^\infty (a^*)^n a^n)^{1/2}$
21892
Any open subset of $\Bbb R$ is a countable union of disjoint open intervals
73869
$\mathcal{C}_1 \subseteq \mathcal{C}_2 \implies \sigma( \mathcal{C}_1) \subseteq \sigma( \mathcal{C}_2) $
38963
Ideals in ring of continuous functions $\mathcal{C}[0,1]$ ... NBHM- Algebra
62317
Generating set of countable, co-countable sigma algebra on $\mathbb{R}$
68512
$\sigma$ algebra of collection of random variables
69283
The limit points of an open interval (open set)
149317
An open subset of $\mathbb{R}$ is an at-most-countable union of disjoint open intervals
117185
The union of a strictly increasing sequence of $\sigma$-algebras is not a $\sigma$-algebra
86717
Completeness of $\langle \mathscr{C} [0, 1], \| \cdot \|_1 \rangle$
81327
union of sigma algebra is sigma algebra
34964
Recursive representation of closed sets in Baire Space ($\Sigma^1_1$)