Reference for Bava Kamma 215:8
מי אמרינן בחד גברא קפיד רחמנא דלא משלם חומשא וכפילא האי נשלם כפילא והאי נשלם חומשא או דלמא עלויה חד ממונא קפיד רחמנא דלא נשלם עלה חומשא וכפילא והכא נמי חד ממונא הוא תיקו:
Rabina asked: What would be the law as to a Fifth and double payment to be borne by two persons respectively? — What were the circumstances? — E.g., where an ox was handed over to two persons and both pleaded in defence theft, but while one of them confirmed it by an oath and subsequently confessed [it to have been perjury] the other one confirmed it by an oath and witnesses appeared [and proved it perjury]. Now, what is the law? Shall we say that it was only in the case of one man that the Divine Law was particular that he should not pay both the Fifth and double payment,<span class="x" onmousemove="('comment',' V. p. 628, n. 5. ');"><sup>7</sup></span>