Reb Chaim analyzes a further debate between the Rambam and Raavad about the case of the barrel, and explain that according to the Raavad, Tumah can travel even in a broken path

Reb Chaim continues analyzing the debates between the Rambam and Raavad about Tumah under a barrel, and explains that hovering over a dead body is analogous to touching it

Reb Chaim analyzes a further debate between the Rambam and other commentators regarding the case of Tumah under a barrel, and develops an original concept that impurity can transfer from a distance

Reb Chaim explains the differing interpretations of the Rambam and Raavad so to how to interpret the unit of Mishnas which deal with Tumah in a barrel.

Reb Chaim explains the differing interpretations of the Rambam and Raavad to a Mishna about the sloping part of a tent, which distinguishes between the inside and outside parts of the fabric

Reb Chaim analyzes a debate between the Rambam and Raavad and shows a fundamental distinction between how they view Tumah Retzuzah - when a dead body is in a constricted space, not a room (Ohel).

Reb Chaim analyzes the case where someone travels outside Israel in a box and the Rambam's approach to interpreting this halacha

Reb Chaim analyzes the nature of the impurity that imparts through entering the airspace outside of Israel

Reb Chaim articulates the debate between the Rambam and Raavad whether the halacha of 'impurity of the grave' is based on Ohalot (structures) or that impurity drifts from the body

Reb Chaim explains the halacha of 'impurity of the grave' and the differing approaches of the Rambam and Raavad as to how it interacts with other forms of impurity