Shabbat 126B

שיש להם בית אחיזה ניטלין בשבת. ואמר רב יהודה בר שילא אמר רב אסי אמר רבי יוחנן: והוא שיש תורת כלי עליהן.

that have a handle may be moved on Shabbat. And Rav Yehuda bar Sheila said that Rav Asi said that R' Yoḥanan said: And that is specifically when the status of a vessel applies to them, i.e., when the cover itself is suited for use as a vessel. This is contrary to the opinion of Rabban Shimon ben Gamliel, who holds that preparation alone is sufficient.

וכי תימא: הכא נמי דאיכא תורת כלי עליו, ומי בעי רבן שמעון בן גמליאל תורת כלי עליו? והתניא: חריות של דקל שגדרן לשם עצים, ונמלך עליהן לישיבה ⁠— צריך לקשר. רבן שמעון בן גמליאל אומר: אין צריך לקשר.

And if you say: Here, too, Rabban Shimon ben Gamliel is referring to a case where the status of a vessel applies to the reed, does Rabban Shimon ben Gamliel require that the status of a vessel apply to it? Wasn’t it taught in a baraita: With regard to hard branches of a palm tree that one cut for firewood or for construction and then he reconsidered their designation and decided to use them for sitting, he must tie the branches together on Friday so that they will not be set-aside. Rabban Shimon ben Gamliel says: He need not tie them together, and nevertheless, it is permitted to move them. Rabban Shimon ben Gamliel does not require that one render it a vessel. Thought is sufficient.

רבי יוחנן סבירא ליה כוותיה בחדא ופליג עליה בחדא.

The Talmud answers: R' Yoḥanan holds in accordance with the opinion of Rabban Shimon ben Gamliel in one matter and disagrees with him in one matter.

דרש רבי יצחק נפחא אפתחא דריש גלותא: הלכה כרבי אליעזר. מתיב רב עמרם: ומדבריהם למדנו שפוקקין ומודדין וקושרין בשבת!

R' Yitzḥak taught at the entrance of the house of the Exilarch: The halakha is in accordance with the opinion of R' Eliezer in the matter of a window shutter. Rav Amram raised an objection from that we learned explicitly in a Mishnah: And from their statements and their actions, we derived that one may seal a window, and measure, and tie a knot on Shabbat. Apparently, one may shutter the window under any circumstances, not only when the shutter was prepared for use, as R' Eliezer said.