Assertion: octahedron's volume | /r/HasProperty | 1/6|det(a − d
Facets:
Source sentences:
text: For a tetrahedron with vertices a = (a 1 , a 2 , a 3 ), b = (b 1 , b 2 , b 3 ), c = (c 1 , c 2 , c 3 ), and d = (d 1 , d 2 , d 3 ), the volume is 1/6|det(a − d, b − d, c