Reference for Shevuot 68:15
והיינו חוכא אדגמר לה ממעילה נגמר לה מעדות
Perhaps R'Simeon deduces it by argument from minor to major: if when adjured by others he is liable, when he swears of his own accord he should the more so be liable?<span class="x" onmousemove="('comment',' He does not deduce testimony from deposit by from ; he argues that in the case of testimony, where Scripture says adjuration by others makes him liable, he should certainly be liable if he swears of his own accord. Since he does not make use of the vua vrzd , he does not use it for deducing deposit from testimony either.');"><sup>15</sup></span> - Well then, the laughter is in connection with 'wilful like unwitting', for he states: 'Deposit [is restricted to money claims] because the law does not make him who is adjured [by others] like him who swears [of his own accord], nor him who swears wilfully like him who swears unwittingly.'