I've heard there is an opinion that the daled cosos by the Pesach Seder are m'doraisa. What is the source for this (if there is one? I vaguely remember a source being in the Yerushalmi?) What Seforim ...
Are the four cups of wine that we drink at the Pesach Seder m'akev (bar) each other. That is to say, without all four cups, do the cups a person does drink count for anything? However one will ask, ...
Normally if you have wine and refill your glass during the meal you don't make a new borei p'ri hagafen. Why do we (at least Ashkenazim) say a new b'racha for each cup at the seder? I think I've ...
The Minhag is to fill up an additional cup towards the end of the seder known as Kos Shel Eliyahu. I was just wondering what the various minhagim are as to what to do with it after the seder is over.