/and.hpp/1.1/Tue Jun 25 12:09:38 2002//
/bool.hpp/1.1/Tue Jun 25 12:09:38 2002//
/nor.hpp/1.1/Tue Jun 25 12:09:38 2002//
/not.hpp/1.1/Tue Jun 25 12:09:38 2002//
/or.hpp/1.1/Tue Jun 25 12:09:38 2002//
/xor.hpp/1.1/Tue Jun 25 12:09:38 2002//
D
