09a. Usfartem Lachem (וספרתם לכם התשי”א) 5711, Class One. This class begins with the three opinions whether ספירת העומר nowadays is מדאורייתא or מדרבנן. The רבינו ירוחם distinguishes between the count of days which he considers Biblical and the count of weeks which he considers Rabbinic. The class explores how this could be by explaining...

09b. Usfartem Lachem (וספרתם לכם התשי”א) 5711, Class Two. This class is the beginning and the end of the מאמר. Why ספירה is counted from the day after the first day Pesach, though it says ממחרת השבת.