Reference for Nedarim 111:5

<big><strong>מתני׳</strong></big> הנודר מן המטה מותר בדרגש דברי רבי מאיר וחכ"א דרגש בכלל מטה הנודר מן הדרגש מותר במטה:

of his houses is meant.<span class="x" onmousemove="('comment',' I.e., the purchaser can demand the best of his houses, the phrase in Hebrew [H] denoting the superlative. But if he simply sold him a [H] he could give him an upper storey. ');">⁸</span> <b><i>MISHNAH</i></b>. ONE WHO VOWS [ABSTINANCE] FROM A BED IS PERMITTED DARGESH:<span class="x" onmousemove="('comment',' V. Gemara. ');">⁹</span>

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