Another casualty of "set-builder notation." Is this really the best way to introduce graphs?pic.twitter.com/yD2lpbqUrP
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@gol_ad @stevenstrogatz This is why textbooks like the one you picture exist. Their authors don't think it really matters how they write.
@gol_ad I was responding to Professor Strogatz's photo (and question.) Did you supply it to him?
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