Is every finite extension L/K separable?
131460
Example of finite field extension where root not separable
36997
Galois Groups of Finite Extensions of Fixed Fields
25793
Extension fields isomorphic to fields of matrices
107207
$A\subseteq B\subseteq C$ ring extensions, $A\subseteq C$ finite/finitely-generated $\Rightarrow$ $A\subseteq B$ finite/finitely-generated?
113708
Correspondence between Ext group and extensions (from Weibel's book)
143484
A separable locally compact metric space is compact iff all of its homeomorphic metric spaces are bounded
40858
Multiplicative nature of the separability degree
19773
Is finite additivity a property of the Lebesegue outer measure?
28272
Does such localization of integral extension preserve inclusion?
146617
A complete picture of the lattice of subfields for a cyclotomic extension over $\mathbb{Q}$.
150605
Existence of a regular uncountable $\aleph_{\alpha}$ without $\mathsf{AC}$
55492
Existence of $f'\in F$ such that $f^{[G:F]}=(f')^n$ for finite extension $F\subset G$
147213
Prove that finite unions of compact sets are compact
12404
Union of definable sets
47810
$C(X)$ is separable when $X$ is compact?
123061
$X$ metric separable then $C(X)$ separable
131143
Homomorphism extensions over finite ring extensions