In the earlier period, writers such as Peter Abelard wrote commentaries on the works of the Old logic (Aristotle's Categories, On interpretation, and the Isagoge of Porphyry).
Daɣ azzaman wa ezzaran, inaktuban chund Peter Abelard iktab fal alxidmaten tin Old Logic (Aristotle Categories, On Interpretation d Isagoge of Porphyry)