##  [Pushout](/pushout) 

  ##  [Pushout](https://puremath.quantumdictionary.io/pushout-0) 

  

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- Mathematics & Logic -

**Pure Mathematics Dictionary**

 







 

 

 

 



 

 

 

 

Definition

The categorical colimit that glues two objects along a common subobject: given maps A → B and A → C, the pushout B ⊔_A C is the universal object receiving maps from B and C that agree on A.