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A sequence \((x_n)\) in a metric space (or more generally, in a uniform space) is called a **uniformly Cauchy sequence** if for every positive real number \(\epsilon > 0\), there exists a positive integer \(N\) such that for all indices \(m, n \geq N\), the distance between the terms \(x_m\) and \(x_n\) is less than \(\epsilon\).