However, it is possible to derive topological results from statements about Cauchy sequences; for example, a subset A of the space of real numbers is closed if and only if each Cauchy sequence in A converges to some point of A.
Thou shoreless flood which in thy ebb and flow / Claspest the limits of morality!
The petty ſtreames that paie a dailie det / To their ſalt ſoveraigne with their freſh fals haſt, / Adde to his flowe, but alter not his taſt.
Such soot blowers often have movable jets so that the jet can be directed towards different parts of the tubeplate in turn.
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