Assertion: polyhedron's triangle | /r/HasProperty | 4 2
Facets:
Source sentences:
text: There are four Schwarz triangles that generate nonconvex forms, two right triangles (​3⁄ 2 4 2), and (​4⁄ 3 3 2), and two general triangles: (​4⁄ 3 4 3), (​3⁄ 2 4 4).