 ##  [O-Minimality](/o-minimality) 

  ##  [O-Minimality](https://mathlogic.quantumdictionary.io/o-minimality-0) 

  
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- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 
Definition

A tameness condition for ordered first-order structures requiring that every definable subset of the line (one-dimensional domain) is a finite union of points and open intervals. It formalizes a lack of pathological oscillation in definable sets of the order.