An example of a symmetric relation on is . One relation that is not symmetric is , because but .
A relation that is both symmetric and antisymmetric has the property that implies . On a finite set with elements there are only such relations.
|Date of creation||2013-03-22 12:15:39|
|Last modified on||2013-03-22 12:15:39|
|Last modified by||yark (2760)|