Levi e/o Matteo?

This study resumesthe hoary question about Cafarnao's publican identity who was named Levi in Mark and Luke and Matthew in Matthew. Does it concern two different people or the same person with two different names? From the synoptic analysis it seems we can conclude that the first Evangelist, even following the tale of Mark about the pubblica Levi's version, replacedit with the story of the exactor Matthew who is present in all the apostles' lists. The ancient church tradition provides the probable reasons for the changing of the unknown Levi's name with the one of the more famous Matthew: this apostle should play a prominent part in the territory evangelization on wich the first Evangelist insisted. As Paias refers, the ancient church attributed to him one of the many collections of 'logia' that existed during during the earliest years of Christianity diffusion that later converged on and was absorbed in the homonymous gospel.