Reference for Eruvin 132:2
אמר רב יוסף לא שמיע לי הא שמעתא אמר ליה אביי את אמרת ניהלן ואהא אמרת ניהלן דאמר שמואל אין ביטול רשות מחצר לחצר
Said Abaye to him: You yourself have taught it to us<span class="x" onmousemove="('comment',' R. Joseph, as the result of a serious illness, lost his memory and Abaye who was a disciple of his often reminded him of his own teachings. Cf. supra 10a notes.');"><sup>4</sup></span> and you said it in connection with the following. For Samuel said that 'no domain may be renounced where two courtyards are involved<span class="x" onmousemove="('comment',' Lit., 'from courtyard to courtyard'. This is explained presently.');"><sup>5</sup></span> nor may it be renounced in the case of a ruin',<span class="x" onmousemove="('comment',' That intervened between two houses whose doors opened into it. Only in the case of houses that opened into a courtyard, which is a recognized place for the use of tenants, was renunciation of one's right to one's share in that courtyard permitted in order to enable (a) the tenant in whose favour the renunciation was made to move objects from his house to the courtyard and vice versa, and (b) the other tenant or tenants to move objects from place to place within the courtyard. As a ruin, however, is not usually a place which tenants would use no renunciation of one's domain was permitted and no objects, therefore, may be moved either from the houses into it or from it into the houses unless a proper 'crib has been duly prepared.');"><sup>6</sup></span>