Totally Order, Well Order and Lexicographic Ordering

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Discrete Mathematics
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The verbal explanation of comparable and incomparable elements clarified the concepts really well!!

zohaibazam
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lexicographic is bit complicated but other concept were well explained

laibakhan
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So just to be clear, these are the requirements of well-ordered set?
1. must be a poset
2. must be totally-ordered (must have no incomparable elements)
3. must have a smallest element in each subset except phi

ashnahkhalidkhan
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Sir the Example 4 you gave at 23:30... Its not Linearly Ordered right??? Because neither 6 divides 8 nor 8 divides 6 .. moreover neither 6 divides 10 nor 10 divides 6

Waiting for answer

HasanJawaidShaikh
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Also, sir, can you please clarify the unit interval example for well-ordered set? Because isn't 1/2 less than 1? So shouldn't it be well-ordered too?

ashnahkhalidkhan
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Aavaj to sudheer choudhary jaise h DNA

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