<Tr> <Td> Schläfli symbol </Td> <Td> () ∨ (n) </Td> </Tr> <Tr> <Td> Faces </Td> <Td> n triangles, 1 n - gon </Td> </Tr> <Tr> <Td> Edges </Td> <Td> 2n </Td> </Tr> <Tr> <Td> Vertices </Td> <Td> n + 1 </Td> </Tr>

Which of the following are not parts of a pyramid