Definition of an extension field question
112125
In an extension field, is there any difference between the original field and its isomorphic copy in the extension field?
146446
Infinite Degree Algebraic Field Extensions
51770
Number of elements in a finite field extension for finite fields
74681
A finite extension with finitely many intermediate fields is simple
68790
Do we have $K(\beta)=K(\beta^2)$ for field extension of odd degree?
103948
Minimal polynomial is invariant under field extensions
3241
What is the difference between a field and a property?
107207
$A\subseteq B\subseteq C$ ring extensions, $A\subseteq C$ finite/finitely-generated $\Rightarrow$ $A\subseteq B$ finite/finitely-generated?
79450
For field extensions $F\subsetneq K \subset F(x)$, $x$ is algebraic over $K$
129153
Is it Galois extension?
68753
Elements in finite field extensions
19671
Does the "field" over which a vector space is defined have to be a Field?
59347
Do extension fields always belong to a bigger field?
101098
Field extensions with(out) a common extension
100162
Minimal polynomial over an extension field divides the minimal polynomial over the base field
19511
Is the sub-field of algebraic elements of a field extension of $K$ containing roots of polynomials over $K$ algebraically closed?
147069
Intersection of field extensions