labelling vertices of a polyhedron with letters

25 Views Asked by At

Maybe a stupid question, but I have not met yet a clear answer. Say that the label of a cube is ABCDEFGH: does it mean that there are faces ABCD and EFGH so that E, F, G and H are respectively the images of A, B, C and D under a translation, or that ABCDEFGH(A) defines an Hamiltonian path on the cube ? It seems to me that the first is the "right" answer, but the second seems quite logical too, and I don't know where to find some historic discussion on it (if this exists). Thanks for your comments!