Can the distance between two subsets be reached?
43376
If $A$ is compact and $B$ is closed, show $d(A,B)$ is achieved
120712
Is there a way to define the "size" of an infinite set that takes into account "intuitive" differences between sets?
142779
How to show distance between boundary of an open set and a compact subset is positive?
64519
Subsets of a list
49374
Closure of a subset in a metric space
24646
Distance between local maximum and local minimum
3751
Proving a distance between molecules defines a metric space.
58613
Calculating distance between two sets of Decimal Degree coordinates?
10044
Points at integer distance
107614
Partitioning an infinite set
11849
Size of a union of two sets
132605
Finding the number of subsets of a set such that an element divides the succeeding element.
73304
Closest points on two line segments
21754
Partition a set into subsets of size $k$
92249
Every finite set contains its supremum: proof improvement.
28453
Finding all partitions of a set
133938
Connectedness of the Hausdorff distance.