Reference for Zevachim 4:12

אי נמי איידי דתנא לשמן ושלא לשמן תנא נמי שלא לשמן ולשמן

And he answered it: Sacrifices, where no purpose is defined, stand [to be slaughtered] for their own purpose.<span class="x" onmousemove="('comment',' This may be assumed.');">¹⁰</span>

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