
The paper deals with pretangent spaces to general metric spaces. An ltrametricity criterion for pretangent spaces is found and it is closely related to the metric betweenness in the pretangent spaces.
21 pages
Mathematics - Metric Geometry, FOS: Mathematics, Metric Geometry (math.MG), 54E35
Mathematics - Metric Geometry, FOS: Mathematics, Metric Geometry (math.MG), 54E35
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