Summary

Yosef Karo Shulchan Aruch — Choshen Mishpat 30

Paragraph 5- If one claims that his adversary has 200 gold coins in his possession as a deposit in order to make a profit for him, and the adversary denies the whole thing, but there is one witness testifying that he heard from the guardian that he has 50 and another witness testifies that he heard from the guardian that he has 150, he has been established as a liar for that money and must pay the 200.
Source: Wikisource

Yosef Karo Shulchan Aruch — Choshen Mishpat 30

A judge who two testified in front of, however, cannot combine with one of the witnesses that testified in front of him.
Paragraph 13- Each witness must testify on a complete matter. If, however, each testifies on a partial matter, it is meaningless. How so? If they are coming to testify on someone that he is an adult and one testifies that he saw a hair on the right side and the second one testifies that he saw it on the left side, it is of no effect because each witness only testified on a partial sign.
Source: Wikisource

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