Assertion: graph's vertex | /r/HasProperty | plural vertices
Facets:
Source sentences:
text: A vertex (plural vertices) is (together with edges) one of the two basic units out of which graphs are constructed.
text: In mathematics, and more specifically in graph theory, a vertex (plural vertices) or node is the fundamental unit of which graphs are formed: an undirected graph consists of a set of vertices and a set of edges (unordered pairs of vertices), while a directed graph consists of a set of vertices and a set of arcs (ordered pairs of vertices).