The basis of contracts, known as the Contract Theory 2/1

The famous Contract Principles known as the Contract Theory 2/1 Sheikh Al-Islam Ibn Taymiyyah Dar Al-Imam Ahmad The book is "The Contract Principles known as (Contract Theory)" by Sheikh Al-Islam Ibn Taymiyyah. The author: Sheikh Al-Islam Abu Al-Abbas Ahmad ibn Abd Al-Salam ibn Taymiyyah (d. 728 AH). Content: The book discusses contracts in Islam such as transactions, sales, marriages, what is valid and what is invalid. Verification: The book was verified by Sheikh Muhammad Nasser Al-Din Al-Albani and Sheikh Muhammad Hamed Al-Faqi. Importance: It is considered an important reference in understanding the development of contract theory in Islamic jurisprudence and establishing concepts of Fiqh of transactions. The subject of this book by Sheikh Al-Islam Ibn Taymiyyah is contracts in Islam such as marriages, sales, and others, what is valid and what is invalid, correct conditions, invalid conditions, and other matters related to contracts. Edition with verification by Sheikh Al-Albani and Sheikh Muhammad Hamed Al-Faqi - and its hadiths are authenticated and commented on by Sheikh Salim Al-Hilali.