Quickly review the Magen Avraham ס’ שי”ח ס”ק י until “כתב הרמב”ם who quotes the מהרש”ל who learns from our Gemara that it is permitted to roast an egg on the hot tar of a roof.
Question:
Why would it be permitted according to the Rabanan?
Review גמרא דף לט. “ולא יפקיענה בסודרין (five lines from top of the Amud) until “ולא יטמיננה בחול (next set of two dots)
See רש”י דף לט. “דשרי who says the reason it is permitted to cook something directly from the sun is because “אין דרך בישול בכך”
Major Question:
We have a rule in הלכות שבת when a melacha is performed in an abnormal way it is exempt from Torah violation however it is still prohibited מדרבנן. So how could it be permitted to cook directly from the heat of the sun?
There are prohibitions of cooking in regards to other halachos. For example – cooking meat and milk together, cooking the Korban Pesach.
If someone were to cook in the sun or a product that was heated by the sun would they be transgressing that prohibition?
See גמרא פסחים דף מא. “אמר רב חסדא המבשל (ten lines from bottom of the Amud) in regards to cooking the קרבן פסח in חמי טבריא.
Based on the above would cooking in a microwave be a violation from the Torah, Drabanan, or permitted barring the operation of electric appliance on Shabbos
See שו”ת מנחת שלמה קמא ס’ יב הערה ו & ז for a new explanation different than the אגלי טל and אגרות משה
Learn גמרא דף לט. “ולא יפקיענה בסודרין (five lines from top of the Amud) until “ולא יטמיננה בחול (next set of two dots)
Question:
Why is it permitted to cook directly from the heat of the sun?
See רש”י דף לט. “דשרי who says “דאין דרך בישול בכך
Major Question:
We have a rule in ה’ שבת when a melacha is performed in an abnormal way it is exempt from Torah violation however it is still prohibited מדרבנן. Why is it permitted to cook directly from the heat of the sun?
Based on the above would cooking in a microwave be a violation from the Torah, Drabanan, or permitted barring the operation of electric appliance on Shabbos
See שו”ת מנחת שלמה קמא ס’ יב הערה ו & ז for a new explanation different than the אגלי טל and אגרות משה
How do we conclude lhalacha? Do we rule like Rabanan or like Chanania?
Review שולחן ערוך ס’ רנ”ג סע’ א which brings two opinions.
Question:
According to which opinion does the מחבר conclude?
Bring a proof
Learn the Mishna Berura
Is the רמ”א concluding the halcha is in accordance with Chanania or saying that if one follows the accepted Minhag like Chanania it is Ok, but really should follow like Rabanan?
Learn ביאור הלכה “ונהגו להקל כסברא אחרונה And הגהות חזון איש on the ביאור הלכה who argue what is the ruling of the רא”ש
Can one rinse an uncooked food by pouring directly on it from a כלי ראשון?
Can one soak an uncooked food in a כלי שני?
Learn תוס’ דף לט. “כל who brings a major machlokes Rishonim as to the status of עירוי כלי ראשון
Learn גמרא דף לט. “ולא יפקיענה בסודרין (five lines from top of the Amud) until “ולא יטמיננה בחול (next set of two dots)
Question:
Why is it permitted to cook directly from the heat of the sun?
See רש”י דף לט. “דשרי who says “דאין דרך בישול בכך
Major Question:
We have a rule in ה’ שבת when a melacha is performed in an abnormal way it is exempt from Torah violation however it is still prohibited מדרבנן. Why is it permitted to cook directly from the heat of the son?
