e/Abstract simplicial complex

Information
has gloss	eng: In mathematics, an abstract simplicial complex is a purely combinatorial description of the geometric notion of a simplicial complex, consisting of a family of finite sets closed under the operation of taking subsets. In the context of matroids and greedoids, abstract simplicial complexes are also called independence systems.
lexicalization	eng: abstract simplicial complex
instance of	c/Simplicial sets

Media
media:img	Simplicial complex nonexample.png