Assertion: polyhedron's face | /r/CapableOf | cross n-fold axis
Facets:
Source sentences:
text: There is also a kind of crossed antiprism, e.g., the pentagrammatic crossed antiprism also (5/2, 3, 3, 3), but the vertex figure is a butterfly-shaped (crossed) quadrilateral and the triangular faces cross the n-fold axis.