Summary: A great Gadol and Posek, also mathematician; his fame in כְּלַל Klal Yisroel came from his fundamental פֵּרוּשׁ לַחֻמָּשׁ-רַשִׁ"י
Summary: A great Gadol and Posek, also mathematician; his fame in כְּלַל Klal Yisroel came from his fundamental פֵּרוּשׁ לַחֻמָּשׁ-רַשִׁ"י