Kleene fixed-point theorem: Difference between revisions

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We first have to show that the ascending Kleene chain of ''f'' exists in L. To show that, we prove the following lemma:
 
:Lemma 1:''If L is CPO, and f&nbsp;:&nbsp;L&nbsp;→&nbsp;L is a Scott-continuous function, then <math>f^n(\bot) \sqsubseteq f^{n+1}(\bot), n \in \mathbb{N}_0</math>
 
Proof by induction: