Reference for Nedarim 24:9
היכי דמי אי נימא לפני זריקת דמים מאי טעמא דמאן דשרי ואי לאחר זריקת דמים מאי טעמא דמאן דאסר אלא לאו
And should you answer that one loaf is taken for all, — but we learnt: [And of it he shall offer] one out of each oblation:<span class="x" onmousemove="('comment',' Lev. VII, 14. ');"><sup>9</sup></span> 'one' teaches that <i>terumah</i> is not to be taken from one oblation for another?<span class="x" onmousemove="('comment',' Each kind of loaf is here referred to as an oblation. ');"><sup>10</sup></span> And should you say that a piece is taken from each, — but we learnt: 'One' teaches that a piece is not to be taken? But it must be that he separates it during kneading, taking one [part] of the leaven, one of the unleavened cakes, one of the unleavened wafer, and one of the fried cake;<span class="x" onmousemove="('comment',' V. Lev. VII, 12. ');"><sup>11</sup></span> [so here too]. Shall we say that this is dependent on Tannaim? [For it was taught: If one says,] 'This be unto me as a firstling,'<span class="x" onmousemove="('comment',' v. Num. XVIII, 15. ');"><sup>12</sup></span> R. Jacob forbids it, while R. Jose permits it. Now, how is this meant? If we say, before the sprinkling of the blood:<span class="x" onmousemove="('comment',' Of the firstling, when it is definitely forbidden. ');"><sup>13</sup></span> what is the reason of him who permits it? If after, on what grounds does the other forbid it? But it surely [means]