225379
9780061312113
The co-called Blue and Brown Books, originally dictated to his students in Cambridge in the thirties, and circulated, not without precaution and secrecy, now follow the Investigations and the Remarks on Mathematics, and with this the opening up process is completeWittgenstein, Ludwig Josef Johann is the author of 'Blue and Brown Books', published 1942 under ISBN 9780061312113 and ISBN 0061312118.
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