Nathann Cohen wrote:
Three years later I got bitten by this again, and I now believe that the degree of a vertex incident with a loop should be 1.
\o/
Because it is rather pleasant to be sure that the degree of a vertex is equal to the number of its neighbors O_o
Although that in turn makes me wonder whether being neighbouring is (ir)reflexive...
(Some of my alter egos agree, while some of course don't, depending on whether they know each other and/or themselves.)
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