Can't Go to Environments

There's an infinite number of different logically possible, ad of possible environmentsthis that can be rendered by this computer as a virtual reality generator. But it won't contain everything thata that is logically possible. David goes on to say, now let us imagine this infinite set of possible programmes arranged in an infinitely long list and numbered,. program one, program two, and so on. They could, for instance, be arranged in alphabetical order with respect to the symbols in which they are expressed. Because each programe generates an environment. This list can also be regarded as a list of all the environments in the machines repertoire. We may call them environment one, environment two, andSo on