 De quinque corporibus regularibus

"De quinque corporibus regularibus" is a Latin phrase that translates to "On the Five Regular Bodies." It refers to a treatise attributed to the ancient Greek philosopher Plato that discusses the five Platonic solids, which are regular, convex polyhedra. These solids are: 1. Tetrahedron (4 faces, all triangles) 2. Cube (6 faces, all squares) 3. Octahedron (8 faces, all triangles) 4.