LessonsKitab al-Buyu: Grain Sales, Bulk Heaps, Qafiz and Unit PricesQuiz

Example: a buyer orders 3 measures of wheat at 500 rupees per measure. The amount is 3 measures, the unit price 500, and the total 1,500.

When the measure is sufficiently identified, the delivery obligation is clear. It is not enough to give an unexplained number: the contracting parties should know which measure is being used.

This is the distinction between specifying an amount and leaving its scale ambiguous.

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How measured sales work

Kitab al-Buyu: Grain Sales, Bulk Heaps, Qafiz and Unit Prices

Example: a buyer orders 3 measures of wheat at 500 rupees per measure. The amount is 3 measures, the unit price 500, and the total 1,500.

When the measure is sufficiently identified, the delivery obligation is clear. It is not enough to give an unexplained number: the contracting parties should know which measure is being used.

This is the distinction between specifying an amount and leaving its scale ambiguous.