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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1847 edition. Excerpt: ... The following Correspondence Is given full mul unaltered. The words in Italic are such as stood underlined In the original; and any insertion is marked by an mclusure within square brackets. correspondence between professor de morgan and sir william hamilton. From Professor De Morgan. Sir, --1. With proper apology for intruding a stranger's inquiries upon you, I beg leave to ask a question, which, I judge from your writings, no one in this country is so likely to answer. Having been recently engaged in an examination of the Aristotelian syllogism, which has led to results which I intend to publish, n.b. and which certainly are not to be found mentioned in, it may be, a couple of dozen of works on formal logic which I have examined, from the invention of printing till now;--I am impeded by the absence of all history of the syllogism, its form and fabric, from the works which have fallen in my way on the history of philosophy. Can you inform me whether there exists such a history to any greater amount, for example, than is prefixed to the older editions of Aldrich, which amounts to very little? If you can indicate any line of books in which what I want may be found, or any one book which deals in authorities, you will confer a great obligation upon me, --I remain, Sir, yonr obedient servant, A. de mobgan. University College, London, December September 30, 1846. ii. From Sir William Hamilton.. Aberdour, Fifeshire, 7th Oct. 1846. 2. Sir, --I have to apologise for the delay in answering yonr letter of the 30th September, which, in consequence of being absent from Edinburgh, did not reach me till yesterday. In reference to your inquiry about the history of the Aris
Excerpt from A Letter to Augustus De Morgan, Esq. Of Trinity College, Cambridge, Professor of Mathematics in University College, London, on His Claim to an Independent Re-Discovery of a New Principle in the Theory of Syllogism On looking at a proposition so called, I find it is in truth several propositions; that is, there are several distinct assertions, each of which is a contradiction of the proposition. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
In the steam-powered mechanical age of the eighteenth and nineteenth centuries, the work of late Georgian and early Victorian mathematicians depended on far more than the properties of number. British mathematicians came to rely on industrialized paper and pen manufacture, railways and mail, and the print industries of the book, disciplinary journal, magazine, and newspaper. Though not always physically present with one another, the characters central to this book—from George Green to William Rowan Hamilton—relied heavily on communication technologies as they developed their theories in consort with colleagues. The letters they exchanged, together with the equations, diagrams, tables, or pictures that filled their manuscripts and publications, were all tangible traces of abstract ideas that extended mathematicians into their social and material environment. Each chapter of this book explores a thing, or assembling of things, mathematicians needed to do their work—whether a textbook, museum, journal, library, diagram, notebook, or letter—all characteristic of the mid-nineteenth-century British taskscape, but also representative of great change to a discipline brought about by an industrialized world in motion.