Reference for Chullin 139:6

לא הכא במאי עסקינן במחתך ומשליך

Now if you hold that the holiness is retrospective then it [sc. each limb] ought to be buried!<span class="x" onmousemove="('comment',' For as soon as the greater part is collected together it appears retrospectively that this firstling was holy from the beginning, and, being dead, it must therefore be buried.');">²</span>

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