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The first hint to crack the puzzle "Bertrand __, writer of Principia Mathematica" is:

It is a word which contains 7 letters

       

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The second hint to crack the puzzle "Bertrand __, writer of Principia Mathematica" is:

It starts with letter r

r       

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The third hint to crack the puzzle "Bertrand __, writer of Principia Mathematica" is:

It ends with letter l

r       l

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Looking for extra hints for the puzzle "Bertrand __, writer of Principia Mathematica"
r       l
Click on any empty tile to reveal a letter

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The answer for the puzzle "Bertrand __, writer of Principia Mathematica" is:
r u s s e l l

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