Is a settlement valid after a defendant denies a claim concerning a deposit, loan, negligence in safekeeping, or partnership?

Primary text

A settlement is valid when a claim is made against a man regarding a deposit (*wadi'ah*), a loan (*qard*), negligence concerning a deposit (*tafrit* in *wadi'ah*), or a partnership (*mudarabah*), and the defendant denies the claim, followed by a mutual settlement (*istilah*). This validity is established based on established principles previously mentioned.