Reference for Nedarim 30:5

אמר רבא הוא הדין דאפילו לא הלכה אסורה הלכה אסורה ולוקה לא הלכה אסורה בעלמא

— Does he [the Tanna] teach: he may eat it — [surely] he teaches, 'if he eats it' so that if he eats it he is under the injunction not to go.<span class="x" onmousemove="('comment',' But actually this is forbidden. ');">³</span>

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