Analyzing the machlokes Rambam and Yereim as to the parameters and nature of this issur.

Analysis in light of Yerushalmi Kesubos

Analyzing the apparent machlokes between the Bavli and Yerushalmi on the matter.

Analyzing why nishba, meimar, and mikalel are exceptions to lav shein bo maaseh ein lokin alav.

See also Moreh HaNevuchim chelek 3 perek 41.

Analyzing the parameters of the principle of bidiburu isavid maaseh.

To clarify: When I refer at the end to a "maaseh aveira on the mechayev level" I mean there is sufficient chumras ha'aveira for malkus (when accompanied with a maaseh kol dehu bifoal, such as akimas sfasayim), be it through being a maaseh aveira like chasima or through bizayon haShem as in nishba meimar and mikalel according to the Or Sameach discussed in my Ki Tavo podcast.

Analyzing the debate between Raavad and Rambam whether pilagshim count towards the minyan of nashim.

Analyzing whether the mitzvah lihakdisho is limizbeach or a mitzvah b'alma.

Analyzing the nature of tefillas Shabbos qua the mitzvah of tefillah in general.

Exploring the source of the issur to marry a shifcha knaanis according to Rambam.

Analyzing the psakim of the Maharam of Rotenberg on the role of ketanim in aveilus d'rabim.