Topics covered: To be liable for writing on Shabbos, one must write two letters that endure, which generally means they spell a word. One example is Shem, a name made from the first two letters the longer name Shimon. …

  Topics covered: What is makeh b’patish, striking the final blow, and how does it differ from boneh, building? Chiseling a stone in any amount is striking the final blow, even if you plan to chisel more. Striking an anvil, …

  Topics covered: Ending ch. 11 and opening ch. 12. To be liable to bring a sin-offering for violating a biblical Shabbos prohibition, one’s intent must be unwitting at the beginning and end of the carrying/throwing from domain to domain, …

  Topics covered: Seas and rivers are neither private domain nor public, but rather the in-between “karmelis,” so if we throw an object from sea to land or vice versa on Shabbos, we are exempt from bringing a sin offering …

  Topics covered: To be liable for carrying or throwing on Shabbos, one must first make a valid taking and finish with a valid placing of the object. If one draws water from water, or pours water into water, one …

  Topics covered: The top of a rock ten handbreadths high and four handbreadths wide is its own private domain and one is liable for carrying onto it on Shabbos. Likewise a pit with a bank ten handbreadths high, even …

  Topics covered: Throwing an object from public domain to public domain through a private domain. The stringent prohibition on passing an object from private domain to private domain across the pblic domain, despite the fact that one who thows …

  Topics covered: Rabbi Akiva says a person is liable for violating the Torah prohibition of carrying on Shabbat if he throws an object from one balcony (private domain) to another balcony (private domain) over the street (public domain). The …

  Topics covered: We may not throw an object from a private domain to a public domain and vice versa on Shabbos. Throwing from private domain to private domain does not result in liability to bring a sin offering, but …