Text 13. Since Avicenna had finished explaining the formal and quasi-formal aspects of syllogistic, he turned to its material aspects. With respect to these, syllogistic divides into five kinds, because it either conveys an assent, or an influence of another kind (I mean an evoked image or wonder). What leads to assent leads either to an assent which is truth-apt or to one which is not. And what is truth-apt is either taken [in the argument] as true (haqq), or is not so taken. And what is taken as true either is or isn't true. 