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Begin on 51a, at the two dots 13 lines from the top, tanu rabanan. Learn until amar Rav Yochanan, 6 lines before the end of the amud. See tosfos dh ayn lanu and dh shtifah. On the gemara that discusses the ten things required of a kos shel bracha, Rav Yochanan says only four and appears to argue on this. See tosfos dh ayn lanu that discusses this. See also Rabeinu Yonah 38a dh hashta. See Rashba dh amar Rav Yochanan that says another pshat. Question- do these halachos apply only to the kos of bentsching or to kiddush and all of the other kos shel bracha? Also, are these items of the kos shel bracha meakev or only lechatchilah?
Begin on 50b, 10 lines from the bottom of the amud, tanu Rabanan. Learn until 51a, the two dots 22 lines down. See tosfos dh velo (50b) and dh meikara (51a). See carefully Rashi on 50b dh mamshichin yayin how he explains why there is no bizui ochlim when they pour the wine. See Rabbeinu Yonah on 37b dh mamshichin that says otherwise. On the gemara that says that when one drinks water and forgets a bracha he should swallow without a bracha, what is the logic of that, what is the heter to eat or drink without a bracha? See Rosh siman 33 that brings two approaches to this. See also Ritva on 50b dh shachach that brings a third approach to this. For the halacha of one who eats without a bracha, see shulchan aruch siman 172 sif 1 that Mechaber and Rema argue and Mishna Brurah there.
Begin on 50b, at the two dots 9 lines from the top of the amud, beis chaburos. Learn until tanu rabanan, 10 lines from the bottom of the amud. See tosfos dh shamash. On the gemara that discusses the tziruf of the shamash, see tosfos dh shamash and Rashba on 50a dh ha deketani, up until where he brings the Ravaad. See Rabbi Akiva Eiger on the margin of Shulchan Aruch siman 195 sif 1 that brings a teshuvas Rashbash. Is there a machlokes between the Rashba and Rashbash? See Biur Halacha siman 195 sif 1 dh shtei chaburos for a discussion of this. See also sif 2 that says that a mevarech in the doorway can be mitztaref people that are insode with those that are outside. But why does it say only a mevarech can do that and not someone else? See Shar Hatzion on the bottom of the Mishna Brura siman 195 sk 6.
Begin on 50a, at the gemara following the mishna towards the bottom of the amud. Learn until tanu rabanan in the middle of the amud beis, 22 lines from the bottom. See tosfos dh aval. See Rashi in dh aval carefully and see where Rashi and tosfos disagree (like tosfos says at the end). See Biur Hagra in siman 193 sif 5 sk 19 and divrei nechemya in the back of the gemara. On the gemara that says that three came from three other chaburos of three, how were they permitted to separate from a zimun of three? See Mishnah Berurah siman 193 sk 31. Is there a diyuk in Rashi dh aval (on amud beis) to any tzad in the machlokes between the Magen Avaraham and the Even Haozer whether one can answer to two different zimuns?