Reminds me of the final book in the Hitchhiker's Guide "trilogy". The advanced version of the Guide is calibrating itself so it can perform "reverse temporal en

Reminds me of the final book in the Hitchhiker's Guide "trilogy". The advanced version of the Guide is calibrating itself so it can perform "reverse temporal engineering" on behalf of Ford. It asks a series of questions, one of which makes no sense, and then says something like, "Oh, time travels in that direction for you."