Reference for Bekhorot 57:16

אמר רב יהודה אמר רב דאמר קרא

WAS A PRIEST AND HE WAS MADE UNCLEAN REGARDING HIS TERUMAH,<span class="x" onmousemove="('comment',' If the person who required the priest's services led him to inspect the firstling or to give evidence etc., through a path which inevitable caused the priest to become unclean. The latter cannot therefore now eat terumah, which is cheaper in price than hullin, since the latter can be eaten by everybody whereas terumah is only suitable for priests.');">¹³</span>

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