EDB β€” 263

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Exercises

  1. [263] Prerequisites:[08Z],[02H].(Solved on 2022-10-13) Let X be ordered (partially). Show that these are equivalent

    1. in each non-empty subset AβŠ†X there is at least one minimal element;

    2. there are no strictly decreasing functions f:β„•β†’X.

    Solution 1

    [07Y]

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