Henry of Ghent's Summa, art. 1-5, composed probably before 1276, are the opening articles of Henry's grand masterpiece, his Quaestiones ordinariae or Summa. This Summa was, from what Henry himself indicated, to be in two sections: a section De Deo and a section De creaturis, but the second part was never composed, probably due to Henry's death in 1293. What has survived is an "unfinished cathedral," as Bayerschmidt has described.

These opening articles are part of the "prolog" and they treat epistemological issues such as...