Latest / Matmonim: Daf Yomi by Rabbi David Lapin
Bechorot 45b Left Out - איטר ושולט בשתי ידיו
The primacy of the right hand (or leg) over the left, is a factor in hilchot tefillin, halitza and in avodat beit hamikdash. Does a leftie have a mum (disqualifying imperfection)? What about someone who is ambidextrous? Is a mum a function of appearance or of impaired capacity? According to the Rambam and rabeinu Gershon, impaired capacity (compared to the norm) in a visible organ or limb, is a mum.
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