| With Pappus and diophantus the list of original writers on mathematics comes to an end. |
| From this it was deduced that Diophantus wrote around 250 AD and the dates we have given for him are based on this argument. |
| Alexander said that this letter was a forgery of diophantus. |
| Algebra has its roots in ancient Babylonia and Egypt and in the work of Diophantus, a Greek who became known as the father of algebra. |
| He therefore rejected the view which was formerly held that diophantus lived in that century. |
| One of these was a commentary on the Arithmetica of diophantus. |