Abstract
In an illuminating article, Dimitri Gutas has tried to show that Avicenna's theory of knowledge should be understood within a full-blown empiricist framework very similar to that of John Locke.1 Gutas' argument is based on an analysis of Avicennian 'principles of syllogism'2. The principles of syllogism are those judgments and propositions that form the irreducible and axiomatic foundations of syllogisms and definitions.3 Avicenna categorizes these principles based on how we accept and acknowledge the truth of them. This categorization appears, with some slight modifications, in many places in Avicenna's oeuvre, for example in the Kitāb al-Burhān of al-Šifā',4 and the logic parts of...