The term Kali refers to something delayed; appears in a maxim forbidding the sale of al-Kali bil-Kali i.e. the exchange of a delayed counter value for another delayed counter value.
Two-tier ’istisna‘
Aqd
Ijma`
Orfi hukuk
Bai bil-wafa
Bai‘ al-salam
Ta`addi
Al-qist
Dai'ah al-khassah
Al-saduqah
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