some theorems on strict betweenness relations
Three elements are in a strict betweenness relation only if they are pairwise distinct.
If is strict, then , and are pairwise disjoint. Furthermore, if then all three sets are empty.
If is strict, then and .
If is strict, then for any , , , and are infinite.
|Title||some theorems on strict betweenness relations|
|Date of creation||2013-03-22 17:18:59|
|Last modified on||2013-03-22 17:18:59|
|Last modified by||Mathprof (13753)|