If the norm of the velocity vector is continuous, is the velocity vector itself continous?
86327
If the absolute value of a function is continuous, is the function continuous?
44574
Continuity of absolute value of a function
70477
Asking the vector form of the equation about velocity
32571
Is the maximum function of a continuous function continuous?
67289
Continuity of the Characteristic Function of a RV
97975
Does factor-wise continuity imply continuity?
136011
Must $f$ be continuous?
98535
Are eigenstates of the position operator continuous?
37850
Does the everywhere differentiability of $f$ imply it is absolutely continuous on a compact interval?
147788
Why is every map to an indiscrete space continuous?
44144
If $f:[a,b]\to \mathbb R$ is continuous then so is $\max_{t\in [a,x]}f(t)$?
53841
Function always continuous in a Sobolev Space?
46600
Is escape velocity really a velocity (rather than a speed)?
4538
Is the mapping $ d : X\times X \mapsto \mathbb {R} $ continuous?
116273
Does every $\mathbb{R},\mathbb{C}$ vector space have a norm?
63598
Is every separately continuous function on $R^2$ continuous?
45252
"Every linear mapping on a finite dimensional space is continuous"