A trail is a walk that does not repeat an edge. Prove that a trail that repeats a vertex must contain a cycle. (Think about the set of nontrivial sub-walks along the trail that start and end at the same vertex.)
A trail is a walk that does not repeat an edge. Prove that a trail that repeats a vertex must contain a cycle. (Think about the set of nontrivial sub-walks along the trail that start and end at the same vertex.)
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter1: Line And Angle Relationships
Section1.5: The Format Proof Of A Theorem
Problem 12E: Based upon the hypothesis of a theorem, do the drawings of different students have to be identical...
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A trail is a walk that does not repeat an edge. Prove that a trail that repeats a vertex must contain a cycle. (Think about the set of nontrivial sub-walks along the trail that start and end at the same vertex.)
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