He had to admit it was wiz: an infinite-regress element. It was, of course, a detection program, and was entirely self-referencing. In a sculpted system, the damn thing knew exactly what was allowed in here and what wasn’t. If he tried to overcome the reality of this system, it was going to squawk. If he tried to defeat it, it had an infinitely self-checking algorithm that would actually respond to its defeat. And if he tried to defeat the algorithm .. . Michael got dizzy just thinking about the possibilities.