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Here is my question: https://mathoverflow.net/questions/225181/show-that-ex-t-t-infty-le-ex-0-and-cp-sup-x-n-ge-c-le-ex-0 I said in the beginning to please migrate if needed. Could it be on-topic ...

There's a discussion taking place at this question Mathematical study of Mpemba effect? where the author UwF is arguing that this question isn't clearly off-topic and would like some explanations for ...