## Constant: COMMON-LISP:BOOLE-C1
[![package](https://img.shields.io/badge/Package-COMMON--LISP-5f9ea0.svg?style=social&colorA=999999)](../) [![type](https://img.shields.io/badge/Type-Constant-5f9ea0.svg?style=social&colorA=999999)](../#constant) [![clhs](https://img.shields.io/badge/CLHS-BOOLE--C1-5f9ea0.svg?style=social&colorA=999999)](http://www.lispworks.com/documentation/HyperSpec/Body/v_b_1_b.htm) 

> Boole function op, makes BOOLE return complement of integer1.

### Value
```cl
4
```