Question
Problem B. Recall that a order relation is a well-ordering, if every
nonempty set has a smallest element. Determine which of the
following linear orders is a well-ordering
I. The lexicographical order on Z × Z;
2. The lexicographical order on Z>0 × Z〉
0

Image Transcription

Problem B. Recall that a order relation is a well-ordering, if every nonempty set has a smallest element. Determine which of the following linear orders is a well-ordering I. The lexicographical order on Z × Z; 2. The lexicographical order on Z>0 × Z〉 0

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