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Shiavault - a Vault of Shia Islamic Books Dictionary of Islamic Philosophical Terms Qaf al-Qatighuriyas Categoriae or the Categories, the first book of Aristotle’s Organon (al-Arghanun, q.v.) on logic. It deals with the ten categories (al-maqulat al-‘ashr, q.v.), viz. substance (jauhar, q.v.), quantity (kamm, q.v.), quality (kaif, q.v.), relation (’idafah, q.v.), time (mata, q.v.), place (aina, q.v.), position (wad‘, q.v.), possession (milk, q.v.), passion (’inf‘al, q.v.) and action (fi‘l, q.v.).

qarabadin The title of the first scientific book translated into Arabic in 64/683 from Syriac by Masarjawaih of Basra, a Jewish physician of Persian origin; it was a kind of Materia Medica originally composed in Greek (now lost) by a Christian (?) priest Aaron of Alexandria. See also Ahrun al-Quss. qarinah Lit. "Connection"; technically the connection between the two premises of a syllogism (qiyas, q.v.) wherein they are united by a middle term (al-hadd al-ausat, q.v.).

qadiyah An assertoric statement or proposition, i.e. a judgment expressed in some particular language indicating the affirmation or denial of a certain relation between two terms, one of which is called subject (maudu‘, q.v.) and the other predicate (mahmul, q.v.). al-qadiyat al-ihtimaliyah A problematic or probable proposition, i.e.

the proposition in which the connection between the subject and the predicate, through not true of all cases or in all circumstances is yet one which may exist in certain cases or in certain circumstances like the statement "Politicians may be trustworthy", "Cholera may not be fatal". al-qadiyatan al-dakhilatan taht al-tadadd The two sub contrary propositions, i.e.

the two particular propositions having the same subject and predicate, but differing in quality -of the form "Some S is P" or "Some S is not P". Such propositions can both be true but cannot both be false, i.e. if one is true the other may be true or false but if one is false the other must be true. al-qadiyatan al-mutadakhilatan The subaltern propositions, i.e.

the two propositions having the same subject and predicate, and of the same quality, but differing in quantity; in other words the universal proposition and its corresponding particular proposition of the same quality. In such propositions if the universal is true the particular is also true and if the particular is false the universal is also false.