session CCL! in "." = Pure + description {* Author: Martin Coen, Cambridge University Computer Laboratory Copyright 1993 University of Cambridge Classical Computational Logic based on First-Order Logic. A computational logic for an untyped functional language with evaluation to weak head-normal form. *} theories Wfd Fixsession ex = CCL + description {* Author: Martin Coen, Cambridge University Computer Laboratory Copyright 1993 University of Cambridge Examples for Classical Computational Logic. *} theories Nat List Stream Flag