Definition of Cauchy sequence
: a sequence of elements in a metric space such that for any positive number no matter how small there exists a term in the sequence for which the distance between any two terms beyond this term is less than the arbitrarily small number
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Origin and Etymology of cauchy sequence
Augustin-Louis Cauchy †1857 French mathematician
First Known Use: circa 1949
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Britannica.com: Encyclopedia article about Cauchy sequence
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