1. Definition Good from bad 1. The Taz [319:13] authorizes removing the refuse together with a piece of a good…
The Talmud [Shabbos 74a] points to a blatant contradiction in a Mishna:“One who has [two types of] food before him…
Non-food item mixturesThe laws of Borer do not exclusively apply to food items, non-food items too are regimented by the…
Types of “Mixtures”We have learnt in the previous Shiur that items are readily distinguishable because of a cleardifference of consistency…
*Definition of “Immediate use”We have learnt that sorting on Shabbos is only permitted when those 3 conditions are met: 1)…
Definition of “Immediate use”We have learnt that sorting on Shabbos is only permitted when those 3 conditions are met: 1)…
*Preparing a coffee on Shabbos The use of instant coffee presents no problem. However, the use of grounded coffee beans…
Items of the same kind The Trumas HaDeshen [Siman 57] questions; whether pieces of the same kind constitute a mixture?…
The Essence of BorerThe Yeshuos Yaakov raises a fundamental question: Why is sorting forbidden? As for an action [Melacha] to…
Sorting By Hand One of the 3 conditions mentioned in earlier Shiurim is to sort by hand. The reason it…