 ##  [Simplicial Set](/simplicial-set) 

  ##  [Simplicial Set](https://mathlogic.quantumdictionary.io/simplicial-set-0) 

  

 [![Mathematics & Logic Dictionary](/sites/default/files/styles/large/public/2026-01/Mathematics%20%26%20Logic.png.webp?itok=UhtTRPnp)](/topic-specific-dictionaries/natural-formal-sciences/mathematics-logic)

- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A sequence of sets indexed by the nonnegative integers together with face and degeneracy maps satisfying the simplicial identities; a combinatorial object modelling simplices and their gluings used to represent homotopy types.