For human: “rational animal” is complete ḥadd; “rational body” and “rational” alone are incomplete ḥadd; “rational substance” uses a remote category and so illustrates incomplete ḥadd. For horse, the traditional expression “neighing animal” illustrates complete rasm when neighing is treated as its distinctive property. Classification presupposes knowing the intended definiendum.
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Definitions in Logic: Complete and Incomplete Ḥadd and Rasm
For human: “rational animal” is complete ḥadd; “rational body” and “rational” alone are incomplete ḥadd; “rational substance” uses a remote category and so illustrates incomplete ḥadd. For horse, the traditional expression “neighing animal” illustrates complete rasm when neighing is treated as its distinctive property. Classification presupposes knowing the intended definiendum.