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Nov 9, 2012 at 12:22 comment added Tony Huynh As I mention in the comments, the same proof also answers your edited question. I added a proof, but it is really just a cut and paste job.
Nov 9, 2012 at 11:55 history edited joro CC BY-SA 3.0
Dumb me, meant edges
Nov 9, 2012 at 10:59 answer added Tony Huynh timeline score: 1
Nov 9, 2012 at 10:55 history edited joro CC BY-SA 3.0
Corrected the path with 3 edges
Nov 9, 2012 at 10:51 comment added joro @Tony yes, indeed I mean three edges, thank you.
Nov 9, 2012 at 10:44 comment added Tony Huynh Just to clarify, by $vv'v''$ you mean a path with three edges, not three vertices right?
Nov 9, 2012 at 10:25 history asked joro CC BY-SA 3.0