
‘How often have I said to you [Watson], that when you have eliminated the impossible, whatever remains, however improbable, must be the truth’.
Arthur Conan-Doyle: ‘The Sign of Four’ [1890]
'This Unformulated Principle'

‘How often have I said to you [Watson], that when you have eliminated the impossible, whatever remains, however improbable, must be the truth’.
Arthur Conan-Doyle: ‘The Sign of Four’ [1890]
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