definition through a thing's essential constituents, joining proximate genus to differentia
General Technical Meaning
In logic, ḥadd can mean a definition composed of essential constituents; a complete ḥadd consists of the proximate genus and proximate differentia. It can also mean a term of a proposition or syllogism, such as subject and predicate or the minor, major, and middle terms.
In ʿAllāmah Ṭabāṭabāʾī’s Works
In this treatise the word is polysemous. This entry concerns the logical sense in Chapter 2 §4, where estimative interference alters a thing’s definition by addition or subtraction; spatial and quantitative uses meaning “limit” are not this sense.
Source: Risālat al-Manāmāt wa-l-Nubuwwāt
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