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| ANSI Common Lisp 4 Types and Classes 4.4 Dictionary of Types and Classes
4.4.20 and | Type Specifier
Compound Type Specifier Kind: Combining. Compound Type Specifier Syntax: `(and {typespec}*)` Compound Type Specifier Arguments: typespec - a type specifier. Compound Type Specifier Description: This denotes the set of all objects of the type determined by the intersection of the typespecs. * is not permitted as an argument. The type specifiers `(and)` and t are equivalent. The symbol and is not valid as a type specifier, and, specifically, it is not an abbreviation for `(and)`. Allegro CL Implementation Details: None.

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