This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)


adds attr to the list of attributes of the symbol s.
Add an attribute to the list of attributes of a symbol:
Add more attributes; the previous ones are retained:
Add several attributes:
Add the same attributes to several symbols:
Set a single attribute for the symbols and :
SetAttributes adds to the already existing attributes; Attributes[g]={..} resets the list:
SetAttributes is equivalent to this assignment to the attributes:
Use ClearAttributes to clear a particular attribute:
Protecting a symbol is equivalent to setting the Protected attribute:
You can still change the attributes of a protected symbol:
After setting the attribute Locked, no more changes to the attributes can be made:
A locked symbol can no longer be unprotected, as the Protected attribute cannot be cleared:
SetAttributes has the attribute HoldFirst:
This sets attributes of the symbol itself:
This sets the attributes of all symbols in the list :
The 10 system symbols with the most attributes:
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