Yeshiva PTI Online Shiurim

We discussed last week the conclusion of the Gemara on a “Safeik Hinuach” that if one picked up the item he should not return it to the place where it was found.  We had 3 explanations 1.Rashi, 2.Tosfos “Vim Notal” 3. Tosfos brought another explanation “Vyesh Lfaresh” 1) What is the point of argument between the two interpertations of Tosfos?  According to the 2nd explanation of Tosfos 2) when is one required to return a lost item a) upon sight b) when pick up the objest? and why? 3) How does Tsfos explain the Gemara Yerushalmi?

Learn Rosh SIman 8 starting from “Kllala Dmilsa’ until the end

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Important question; According to Rav Chanina if one finds three coins of equal size stacked one on top of each other he may keep them because maybe they fell in this fashion.  How could this be? We rule by Safek Hinuach one is not permitted to keep the item, how do we know conclusively that someone did not intentionally stacked the coins this way?

Learn  1) Gemara 25a “Mai Machriz” (5 lines before bottom of page) until “Bai R’ Yirmiya” 2) In conclusion is identifying how the coins were placed an acceptable Siman? (Learn Chidushei Ran, Ritva) 3) If one identifies the place where the coins were found an acceptable Siman? (Learn Tosfos “Vhu”)  Question; Why is the number 2 not an acceptable Siman of Minyan?