Produced by David Starner, Keith Edkins and the Online Distributed Proofreading Team at http://www.pgdp.net Transcriber's note: A few typographical errors have been corrected: they are listed at the end of the text. * * * * * BY AUGUSTUS DE MORGAN A BUDGET OF PARADOXES REPRINTED WITH THE AUTHOR'S ADDITIONS FROM THE ATHENAEUM SECOND EDITION EDITED BY DAVID EUGENE SMITH WITH A NEW INTRODUCTION BY ERNEST NAGEL PROFESSOR OF PHILOSOPHY, COLUMBIA UNIVERSITY UNABRIDGED EDITION--TWO VOLUMES BOUND AS ONE Volume I DOVER PUBLICATIONS, INC., NEW YORK * * * * * PREFACE TO THE FIRST EDITION. (1872) It is not without hesitation that I have taken upon myself the editorship of a work left avowedly imperfect by the author, and, from its miscellaneous and discursive character, difficult of completion with due regard to editorial limitations by a less able hand. Had the author lived to carry out his purpose he would have looked through his Budget again, amplifying and probably rearranging some of its contents. He had collected materials for further illustration of Paradox of the kind treated of in this book; and he meant to write a second part, in which the contradictions and inconsistencies of orthodox learning would have been subjected to the same scrutiny and castigation as heterodox ignorance had already received. It will be seen that the present volume contains more than the _Athenaeum_ Budget. Some of the additions formed a Supplement to the original articles. These supplementary paragraphs were, by the author, placed after those to which they respectively referred, being distinguished from the rest of the text by brackets. I have omitted these brackets as useless, except where they were needed to indicate subsequent writing. Another and a larger portion of the work consists of discussion of matters of contemporary interest, for the Budget was in some degree a receptacle for the author's thoughts on any literary, scientific, or social question. Having grown thus gradually to its present size, the book as it was left was not quite in a fit condition for publication, but the alterations which have been made are slight and few, being in most cases verbal, and such as the sense absolutely required, or transpositions of sentences to secure coherence with the rest, in places where the author, in his more recent insertion of them, had overlooked the connection in which they stood. In no case has the meaning been in any degree modified or interfered with. One rather large omission must be mentioned here. It is an account of the quarrel between Sir James South and Mr. Troughton on the mounting, etc. of the equatorial telescope at Campden Hill. At some future time when the affair has passed entirely out of the memory of living Astronomers, the appreciative sketch, which is omitted in this edition of the Budget, will be an interesting piece of history and study of character.[1]