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#### 12.2.61 boole-1, boole-2, boole-and, boole-andc1, boole-andc2,

#### boole-c1, boole-c2, boole-clr, boole-eqv, boole-ior,

#### boole-nand, boole-nor, boole-orc1, boole-orc2, boole-set,

#### boole-xor

[Constant Variable]

#### Constant Value::

The identity and nature of the values of each of these variables is implementation-dependent, except that it must be distinct from each of the values of the others, and it must be a valid first argument to the function boole.

#### Description::

Each of these constants has a value which is one of the sixteen possible bit-wise logical operation specifiers.

#### Examples::

     (boole boole-ior 1 16) ⇒  17
     (boole boole-and -2 5) ⇒  4
     (boole boole-eqv 17 15) ⇒  -31

#### See Also::

boole