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4.17 proc
Procedures are sequences of SINGULAR commands in a special
format. They are used to extend the set of SINGULAR commands with
user defined commands. Once a procedure is defined it can be used as
any other SINGULAR command. Procedures may be defined by either
typing them on the command line or by loading them from a file. For a
detailed description on the concept of procedures in SINGULAR see
Procedures. A file containing procedure definitions which comply with
certain syntax rules is called a library. Such a file is loaded
using the command
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