The importance of Ptolemy and the Almagest in the work of the translators of Arabic science in the Middle Ages

The evolution of medieval European science goes with the discovery of Ancient Greek works, such as Aristotle’s or Ptolemy’s ones, through the numerous translations from Arabic which were particularly carried out in Peninsula since the twelfth century. In this paper we will tackle the role played by Ptolemy and his works in the translations and how its finding and dissemination, now in Latin, impacted on the European science.