They had seen Poland, and that was the sort of slovenly, slapdash place they were used to, but once across the German frontier they found everything—crops, roads, buildings—uncannily different.
Who teacheth us more than the beasts of the earth, and maketh us wiser than the fowls of heaven?
Weierstrass precisely defines a function in the modern sense as a correspondence between two variable quantities—a definition he attributes to Fourier, Cauchy, and Dirichlet—and develops the epsilontic method.
In pickleball, a foot fault occurs when a player volleys a ball while in the kitchen, or non-volley zone.
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