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→Properties: Birkhoff-Khinchin theorem |
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:: <math> \operatorname{cov} (X_i,X_j) = \text{constant} \ge 0.\,</math>
* An infinite exchangeable sequence is [[strictly stationary]], thus a [[law of large numbers]] in the form of [[Ergodic theory|Birkhoff-Khinchin theorem]] applies.
==See also==
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