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| ANSI Common Lisp 4 Types and Classes 4.4 Dictionary of Types and Classes
4.4.1 nil | Type
Supertypes: all types Description: The type nil contains no objects and so is also called the empty type. The type nil is a subtype of every type. No object is of type nil. Notes: The type containing the object nil is the type null, not the type nil. Allegro CL Implementation Details: None.

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