Text in Arabic. In this collection of four volumes, Dr Yassin provides a broad overview of Arab scientific heritage. The fourth and final book compiles diverse and specialized studies that explore: the concept of Arab scientific heritage, the civilisational concept of Arab heritage, the logic of al-Khwarizmi in algebra, the concepts of the interview, objectivity, and unity of truth, science on the doctrine of the Arabs, the logic of al-Harrani in analysis and synthesis, pure sciences, laboratory experience in Arab scientific heritage, and whether Arabs have an overall scientific philosophy.