Principal property is what is primarily contracted for; an accessory accompanies it and may carry a different incidental ruling.
For example, a container of live worms alone is not identical under Quduri’s wording to silk sold with its associated worms. Not every item becomes a lawful accessory merely by being packaged with something else; the relationship must be genuine.
Opening interactive controls...
The principal-and-accessory distinction
Kitab al-Buyu: Animal Sales, Silkworms, Bees and Dhimmi Transactions
Principal property is what is primarily contracted for; an accessory accompanies it and may carry a different incidental ruling.
For example, a container of live worms alone is not identical under Quduri’s wording to silk sold with its associated worms. Not every item becomes a lawful accessory merely by being packaged with something else; the relationship must be genuine.