Assertion: orthocentric tetrahedron | /r/CapableOf | get name orthocentric tetrahedron
Facets:
value: in 1890
type: TEMPORAL
value: by g. de longchamps
type: OTHER
Source sentences:
text: It was first studied by Simon Lhuilier in 1782, and got the name orthocentric tetrahedron by G. de Longchamps in 1890.