The Credit Card probably contains a 8051 core, anyhow.

It wasn't displaced, it delegated|dispatched|forked and is having a hell of a time piecing the puzzle and getting rid of the excess.

Losing focus and wondering about the start of the train of thought, stackoverfloing while recursing is a first order intrinsic problem.

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I've just written an Idris programm that determined "your mothers phone number", hows that for arbitrary facts? (tip of the hat to xkcd.)

You don't need an entire theory to see that the premisses is contrived.

If the answer is as long as the problem statement, that's enough. Of course, if a philosopher sees the whole history behind it, there might be more associations and hence bases to cover.

*Dijkstra

No, he shares knowledge with the questioner (beyond time, if that makes sense), hence he implicitly had probable knowledge of the questions.