Rephael Cattan

  We have finished siman 1 and will clarify one point before moving on to siman 2. We discussed the concept of a simple, square knot. The Chayei Adam calls this knot a kesher shel kayama, but he uses the term to mean it has the quality of a kesher uman in the sense that […]

  We are beginning siman 1. The Chayei Adam writes that if a person ties or unties a knot which meets both criteria–that is, it is a kesher shel kayama (a lasting knot, an issue of intent), and it is a maaseh uman (craftsman-grade knot, an issue of physical function)–they are chayav mideoraysa. The Chayei