Reference for Pesachim 64:2

פשיטא מהו דתימא רבי יוחנן בן נורי נמי כרבי עקיבא סבירא ליה דאמר לפי דמים משלם והתם היינו טעמא דקא מחייב משום דסבר לה כר' יוסי הגלילי דאמר חמץ בפסח מותר בהנאה קמ"ל

while R'Johanan B'Nuri holds: He must pay according to quantity. That is obvious? - You might say, R'Johanan B'Nuri also holds as R'Akiba [that] he must pay according to value, but the reason that he declares him liable there is this, [viz.] because he agrees with R'Jose the Galilean who maintained, Leaven is permitted for use on Passover: [therefore] he informs us [that it is not so]. Yet perhaps that indeed is so? - If so, let R'Johan B'Nuri answer R'Akiba just as R'Eleazar Hisma answered R'Eliezer B'Jacob.

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