is an attribute which specifies that if a symbol is ever used, Needs should automatically be called on the context of the symbol.


  • Symbols with the Stub attribute are created by DeclarePackage.
  • A symbol is considered "used" if its name appears explicitly, not in the form of a string.
  • Names["nameform"] and Attributes["nameform"] do not constitute "uses" of a symbol.


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Basic Examples  (1)

Use of the symbol implies reading the corresponding package automatically:

Properties & Relations  (1)

Stub symbols are created in the declared context:

Introduced in 1991