Originally Posted by wolfpup
A Turing machine starts with a tape containing 0110011. When it's done the tape contains 0100010. What computation did it just perform?
My answer is that it's one that transforms 0110011 into 0100010, which is objectively a computation by definition, since it is, after all, a Turing machine exhibiting the determinacy condition  even if I don't know what the algorithm is.
