up:: 026 MOC Topology
A metric space is a double
Examples of metric spaces
A trivial example (and initial motivation) is
Note that Different metrics yield different metric spaces, even over the same base space
References
- Sutherland, Wilson A. Introduction to metric and topological spaces. Oxford University Press, 2009.
- Notas para um Curso de Física-Matemática, João Carlos Alves Barata. Cap. 24