Rabbi Baruch Bodenheim: Gemara Eruvin: First Perek, יום שלישי Cheshvan 21, Daf 4b (11/15/22)

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Conclusion of Sugya: חציצה

Do we evaluate the majority of the hair independent of the body?
Review רמב”ם ה’ מקוואות פרק ב’ הלכה ט”ו who brings two opinions – the רמב”ם and the גאונים
https://hebrewbooks.org/pdfpager.aspx?req=58964&st=&pgnum=214

Question:
What is the basis of the גאונים; why do we calculate the majority of the hair separate than the body?
Why does the Rambam argue and calculate majority of the hair and body collectively?
Learn ח’ הגרי”ז on this רמב”ם

According to the גאונים of the hair is considered an independent entity from the body what is the connection between one strand of hair to the next that we should evaluate all the hair as one unit?
Learn אבי עזרי on this רמב”ם

How could a knot on one strand of hair be a חציצה it is only blocking a minority of persons hair?
Learn שפת אמת סוכה דף ו
https://hebrewbooks.org/pdfpager.aspx?req=14522&st=&pgnum=133

Learn the גמרא דף ד: “מחיצות (twelve lines from bottom of Amud) until the two dots