Introduction to the Definition of Logic and its Composition
This 18th-century manuscript in Garshuni (Arabic written in Syriac letters) contains two works and part of another. The manuscript is without foliation, but before what would now be folio 11v, some folios are missing, so that the first work, part of a Christian polemical text, is cut short and a new work begins: Isagoge, or Introduction to Logic (Al-muqaddima fī ta’rīf al-manṭiq wa-ajzā’ihi). A Porphyrian tree diagram is on folio 29v and there are several other diagrams as well (for example, 53v, 56r–57v). According to the colophon ...