BRACERS Record Detail for 82753
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Russell Library 3071
Ramsey says he has read Appendices B and C of Principia Mathematica "very carefully". He says that he is enclosing document .111549.
Document .111549 is a list of "misprints or slips" in the page proofs of Appendix B, Induction. There is a reference to page 653 in Principia Mathematica.
Documents .111549a-.111549e (record 4573) used to be associated with the enclosure, but there is no mention of these volume III errata in the letter.
This material was inserted between pp. 14-15 or 64-5 of BR's copy of Principia Mathematica (Russell's Library, no. 3071).