How the case of the yevama in doubt was applied to a halacha in two etrogim that got mixed up

The ability to eat matzah ashira/matzah mixed with fruit juce/boiled matzah on erev Pesach and for the mitzvah of Matzah on Seder night

The halacha that te yavam and yevama need to understand what they are saying and responding to during the chalitza ceremony

Is Yibum the same as marriage or is it different? In what ways?

analysis of the halacha and story that Rav and Rav Nachman would get married for one day when they travelled to another city without their wife

The halacha of a nursing mother who becomes widowed and seeks to get remarried- how long must she wait? What if the baby does not nurse?

The contradiction between two mishnayot one utilizing the principle of rov/majority and the other the principle of eidim/witness testimony

The mitzvah of the kohanim to eat terumah- who is included in the mitzvah and what beracha is made?

The prohibites shabbat melacha of havara/kindling a fire- is its essence the creation of the flame or the consumption of the fire?

The halacha of not burying righteous people next to wicked people and the source for a separate Jewish cemetery