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COMMON LISP EQUALITY

EQ

EQ is for symbol equality.

( EQ X Y ) returns

T if X and Y are identical symbols (are represented by the same chunk of computer memory ).

NIL otherwise

( eq ’a ’a ) T

( eq ’b ’a) NIL

( eq ’( a b ) ’( a b ) ) NIL

( setf x ’a )

( eq x ’a ) T

( eq ( float 2 ) ( sqrt 4 ) ) NIL

1.24

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