Valuations vanish in the constant field of a function field
58416
Valuations on $\Bbb Q(t)$
28315
Monotone functions and non-vanishing of derivative
100765
If $f'(x) = 0$ for all $x \in \mathbb{Q}$, is $f$ constant?
142707
Intermediate fields of a finite field extension that is not separable
120940
An irreducible polynomial in a subfield of $\mathbb{C}$ has no multiple roots in $\mathbb{C}$
114826
Zero Partials imply Constant Function Theorem or Proof
31961
Given fields $M/E/F$, why does $[M:F] = [M:E][E:F]$?
139463
Commutative integral domain does not finitely generate its field of fractions
145573
How to show that $f$ is a zero function?
21954
A question about $f(x)\equiv 0$
138544
For which values of $x$, will $f (x) . f '(x) < 0$?
55764
Algebraic closure of $\mathbb F_p$
106799
Proof Verification: Converse of Intermediate Value Theorem
11322
Show that $f$ vanishes identically.
83907
$f$ bounded but $f'$ isn't
84510
If $f(\mathbb{C})\subset \mathbb{C}-[0,1]$ then $f$ is constant
27675
Polynomials vanishing on an infinite set