Prove function is a metric
124688
Question about a metric on $\mathbb{R}^2$
11094
How to prove that the French railways metric is a metric
75479
Proving that this function is continuous on $G\times G$
132641
Proving that Euclidean Space is a complete metric space
62479
A isometric map in metric space is surjective?
65840
Norm induced by metric
36566
Equivalence classes and metric spaces
123039
If $0<\alpha < 1$ and $d(x,y)$ is metric, show that $((d(x,y))^{\alpha}$ is metric.
27517
Isometry in compact metric spaces
26299
Minkowski Metric Signature
16060
Showing this metric space is complete
74607
Variation of the metric with respect to the metric
26547
Real numbers equipped with the metric $ d (x,y) = | \arctan(x) - \arctan(y)| $ is an incomplete metric space
23845
How to prove the continuity of the metric function?
83159
Defining a metric space
83163
If $X$ is a connected metric space, then a locally constant function $f: X \to $ M, $M $ a metric space, is constant
50677
Is this metric space incomplete?