Lomdus: the logic behind the law
Rabbi Yitzchok Koslowitz teaches halacha at depth. His focus on Halachic Principles and lomdus signals a teacher interested not only in the final ruling but in the reasoning that produces it — the structure, categories, and logic that hold Jewish law together. His shiurim tend to open a mitzvah and examine how its parts fit, which rewards a listener who wants to understand and not merely memorize.
This analytical approach suits serious learners. A shiur on the hiddur of an esrog, or on the status of an esrog hamurkav (a grafted esrog), is less about a single yes-or-no than about the concepts that decide such questions. He treats halacha as a body of reasoning to be worked through, giving his classes the character of genuine limud rather than a quick practical summary.
The mitzvos of the year, in detail
His teaching moves through the mitzvos of the Jewish year with the same care. He examines the fine points of the shofar — as in a shiur on the "100 Kolos" of Tekias Shofar — and the halachos of Kiddush on Shabbos, night and day. These are mitzvos most people perform by habit, and he slows them down to reveal the detail and precision underneath.
He gives similar attention to Birchas HaMazon, including the particular blessing an orach (guest) recites, and to the halachos surrounding the festivals and their objects. The effect is to make familiar mitzvos feel newly substantial — a listener discovers that the esrog they hold or the bentching they say quickly contains far more halachic depth than they realized.
The Beis HaMikdash and its halachos
A distinctive part of his catalog is the Beis HaMikdash — the Holy Temple and its laws. This is a subject that can feel remote, since the avodah it describes is not currently practiced, yet it occupies a large place in Torah and halacha. He teaches it as living material, the way it has always been learned in the beis medrash, keeping the knowledge and the longing for it alive.
He also addresses halachic questions that require real expertise, such as the sensitive topic of metzitzah b'peh. Across lomdus, the mitzvos of the year, and the laws of the Mikdash, his catalog offers depth rather than breadth for its own sake. For a learner who wants to understand why the halacha is what it is, his shiurim are a serious place to turn.
Finding kosher Torah video for your family
FilteredTube is a kosher video service built for Jewish families — every single video is approved against one written standard before it can appear, with no open feed, no comments, and no surprises. It is a calm, safe place to look for the Torah and Jewish music you love.
If your family enjoys teachers like Rabbi Yitzchok Koslowitz, search FilteredTube for the speakers and topics that matter most to you. With a daf yomi shelf, a weekly parsha shelf, topic shelves, audio-only listening for the car, and a kids mode with a PIN, kosher Jewish video is easy to reach — and the approved catalog keeps growing every day.
At a glance
Key takeaways
- Rabbi Yitzchok Koslowitz teaches in-depth, analytical halacha focused on the reasoning behind the law.
- He examines the fine points of mitzvos like esrog, shofar, Kiddush, and Birchas HaMazon.
- His lomdus-driven style suits serious learners who want to understand, not only memorize.
- He also teaches the halachos of the Beis HaMikdash, keeping that knowledge alive.
- Search FilteredTube for kosher, approved Torah video — the catalog grows every day.