Many people have the practice to turn a pan upside down and place cold fully cooked solid food from the refrigerator on top of the upside down pan on Shabbos morning?
Is this permitted according to the פרי מגדים ?
Learn שמירת שבת כהלכתו פרק א סעיף מד & הערה קכו
And see קובץ הלכות שבת ח”ב פרק כו סע’ לד & הערה מח
Next Question:
If one placed a pan of food on top of soup pot which is on the blech. May one move the pan on Shabbos and place it directly on the blech?
Point to consider
What is the status of a pot of food that is resting on top of another pot which is on the stovetop.
Is it considered on the fire which is גרוף וקטום or is it considered just סמוך לכירה ?
Rashi sources the איסור שהייה to הטמנה בדבר המוסיף הבל which the Gemara explains is prohibited because we are considered שמא יחתה. Tosfos argues on Rashi and says the prohibition is because שמא יחתה. How is Tosfos’ explanation different from Rashi?
According to Tosfos how does raking out the coals or placing ashes on the גפת ועצים permit one to place cooked food on the Kirah?
Learn “ר”ן “או עד שיתן האפר
List two differences between Rashi and Tosfos/ Ran in regards to הטמנה and two possible differences in regards to שהייה
According to Tosfos why is הטמנה more stringent than שהייה?
Learn “תוס’ מז: “במה
Learn ב”ח ס’ רנ”ג ס”ק י for a new explanation in Rashi
Bring a proof from Rashi דף לד: “גזירה against this explanation
Review the גמרא דף לו עמוד ב until דף לז. “ת”ש” (Eleven lines from top of the Amud)