Assertion: octahedron's vertex | /r/HasProperty | grouped into three disjoint sets of eight
Facets:
value: with each set
type: OTHER
value: with the complement
type: OTHER
Source sentences:
text: This shows that the vertices of the 24-cell can be grouped into three disjoint sets of eight with each set defining a regular 16-cell, and with the complement defining the dual tesseract.