Assertion: icosahedron | /r/HasProperty | due
Facets:
value: to theaetetus
type: OTHER
Source sentences:
text: In this book, the 13th, are constructed the five so-called Platonic figures which, however, do not belong to Plato, three of the five being due to the Pythagoreans, namely the cube, the pyramid, and the dodecahedron, while the octahedron and the icosahedron are due to Theaetetus.