##  [Regular Value](/index.php/regular-value) 

  ##  [Regular Value](https://natural.quantumdictionary.io/regular-value-0) 

  

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**Natural & Formal Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

For a smooth map f:M→N between manifolds, a point y in N is a regular value if for every x in f^{-1}(y) the differential Df_x is surjective; equivalently all preimage points are regular points.