Assertion: polyhedron's vertex | /r/HasProperty | p=3
Facets:
Source sentences:
text: To denote the p-dimensional polytopes within a polytope of dimension n, the following terms may be used: vertex (p=0; plural "vertices"), edge (p=1), face (p=2), cell or triface (p=3), tetraface (p=4), pentaface (p=5), hexaface (p=6), ...