Assertion: polyhedron's vertex | /r/RelatedTo | the tetrahedron
Facets:
value: in this sense
type: OTHER
value: in the same way
type: MANNER
Source sentences:
text: The vertices of the octahedron lie at the midpoints of the edges of the tetrahedron, and in this sense it relates to the tetrahedron in the same way that the cuboctahedron and icosidodecahedron relate to the other Platonic solids.