R. Shimon Shezuri and Statistical Sampling

From Wikipedia: In statistics, quality assurance, and survey methodology, sampling is the selection of a subset (a statistical sample) of individuals from within a statistical population to estimate characteristics of the whole population. Two advantages of sampling are that the cost is lower and data collection is faster than measuring the entire population. Does halachah […]

Faulhaber’s Formula Of the Figurate Numbers

For Dr. Pinhas Grossman, recently promoted to Senior Lecturer at the School of Mathematics and Statistics of the University of New South Wales Several years ago, we noted the procedure given by the Tosafos to calculate the triangular numbers. I recently came across an analysis by the non-pareil Rav Eliyahu Kalatzkin of the Tosafos and […]

Of Mentors, Metaphor, Memory and Meno

To L.O. and M., on the former’s birth day. There is a famous Jewish tradition that a baby is taught the entire Torah in utero by an angel; its most authoritative source is this passage from the Talmud Bavli – Nidah: דרש רבי שמלאי למה הולד דומה במעי אמו לפנקס שמקופל ומונח ידיו על שתי […]