Eruvin 48: The Forearm of Og, King of the Bashan
Some inner workings of the beit midrash: Amoraim on tannaitic statements - a need to separate a residential area and a water-cooled ditch. And then R. Yosi bar R. Hanina laughed at the manner of separation... leaving the Gemara to figure out why he was laughing. Also: Among the discussion of how far one has to carry, the Gemara address the basis for "4 amot" - 3 amot for a person's space and an extra amah to bend and maneuver as needed. But are those amot objective distances or specific to each person's own measurements? There are advantages either way, but R. Papa notes how time-consuming it…
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.