Coordinate term: soft sell
He is hot on Anglo-Saxon history.
Sure, any planar graph can be five-colored. But that result is not sharp: in fact, any planar graph can be four-colored. That is sharp: the same can't be said for any lower number.
And we shall caper a-heel-and-toeing, / A Newgate hornpipe some fine day; / With the mots, their ogles throwing, / Tol lol, &c. / And old Cotton humming his pray.
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