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A well-ordering is a special kind of [[Ordering|ordering]]

==Definition==
An ordering <math><</math> of a set {{M|P}} which is both:
* Linear (total)
* strict

Is a ''well-ordering'' if every {{M|A\subset P}} with {{M|A\ne\emptyset}} has a least element. 
{{Todo|Finish off}}
{{Definition|Set Theory}}

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