Responsa for Chullin 17:9
ואמר רב יהודה אמר שמואל
And these are the rules of shechitah:<span class="x" onmousemove="('comment',' The infringement of any of these rules invalidates the shechitah and renders the animal nebelah (v. Glos.) . vhhva');"><sup>6</sup></span>
Shut min haShamayim
They responded: the halacha is well known - "A slaughtered animal is presumed to be kosher" (Chullin 9a:8), and "We do not presume things to be prohibited" (Rif Chullin 18a:4). Yet all who are stringent regarding the lungs will merit to sit in the Heavenly Yeshiva.
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