Zayd says, “I owe Khalid 100 dirhams, except one qafiz of wheat.” Assume its relevant established value is 18 dirhams.
Original admission: 100 dirhams
Value excluded: 18 dirhams
Amount due: 82 dirhams
The 18 dirhams are a teaching assumption, not a price fixed by Al-Quduri. Without establishing the applicable value, one cannot know precisely how many dirhams the wheat exception deducts.
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Calculating the wheat exception
Kitab al-Iqrar: Connected Exceptions, Quantities, and Cross-Category Exceptions
Zayd says, “I owe Khalid 100 dirhams, except one qafiz of wheat.” Assume its relevant established value is 18 dirhams.
Original admission: 100 dirhams
Value excluded: 18 dirhams
Amount due: 82 dirhams
The 18 dirhams are a teaching assumption, not a price fixed by Al-Quduri. Without establishing the applicable value, one cannot know precisely how many dirhams the wheat exception deducts.