Reference for Chullin 243:13

מהו דתימא

But if you say that where the knife cut it away R'Ishmael concedes that it is rendered negligible, then [it will be asked], With whom does R'Huna agree?<span class="x" onmousemove="('comment',' I.e., R. Judah's view as interpreted by R. Huna.');">⁷</span>

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