Reference for Bekhorot 94:2

הבן חייב לפדות את עצמו רבה בר רב הונא אמר

R'Hisda said: The son is obliged to redeem himself;<span class="x" onmousemove="('comment',' Because he is on a par with an Israelite and is therefore subject to the law of the first-born.');">²</span>

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