English: “And behold, the matter is true and certain” — this teaches that we also perform bedikos (examinations) of the witnesses.
On the daf / in context: Beyond the formal chakiros, the court must probe the incidental details of the testimony in order to establish that the matter is fully clear and consistent.
Type of Learning
Derash on the verse (Sifrei) — the requirement of bedikos in addition to chakiros.
What Is Learned
The court must examine the witnesses with bedikos so that the matter is established as true and certain.