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Terminal Vertices of a Path

[vimeo 39741097 w=500 h=281]

Terminal Vertices of a Path from Matt Swift on Vimeo.

A path may be infinite, but a finite path always has a first vertex, called its start vertex, and a last vertex, called its end vertex. Both of them are called terminal vertices of the path. The other vertices in the path are internal vertices. A cycle is a path such that the start vertex and end vertex are the same. The choice of the start vertex in a cycle is arbitrary.

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