Reference for Chullin 279:45

כדאמר רב כהנא

If for the one that must be set free, but surely it must be brought to the Beth din so as to carry into effect the verse: So sh thou put away the evil from the midst of thee!<span class="x" onmousemove="('comment',' Deut. XIII, 6.');">³¹</span>

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