##  [Double Point](/double-point) 

  ##  [Double Point](https://puremath.quantumdictionary.io/double-point-0) 

  

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- Mathematics & Logic -

**Pure Mathematics Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A singular point on a curve or surface where two smooth local branches meet transversely, producing a simple crossing of multiplicity two; locally modeled by the equation xy = 0 in appropriate coordinates.