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Puzzle 8 - Entscheidungsproblem

#TuringChallenge

The table on the £50 note is from Alan Turing’s paper “On Computable Numbers, with an Application to the Entscheidungsproblem”, in which he showed that some purely mathematical problems can never be answered by computation.

Hopefully you’ll find that the puzzle below is not such a problem!

An hypothetical conversation between the shades of Hugh Alexander and Alan Turing:

The following conversation is on a red background surrounded by bombe rotors
Hugh “Ah, Alan – to celebrate the great honour of your appearance on the new 50 pound note, I have a little puzzle for you. It involves a sequence of six numbers which, na…

What was the result of Alan's application?


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