Monthly Archives: February 2015

Iwamura’s Lemma, Markowsky’s Theorem, and ordinals

On p.61 of the book, there is a remark that the dcpos are exactly the chain-complete posets.  This is a theorem by George Markowsky (1976).  It is time I explained seriously how this worked.  The first step is Iwamura’s Lemma … Continue reading

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