The Search for Mathematical Roots, 1870-1940 by I. Grattan-Guinness (PDF)

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While many books have been written about Bertrand Russell’s philosophy and some on his logic, I. Grattan-Guinness has written the first comprehensive history of the mathematical background, content, and impact of the mathematical logic and philosophy of mathematics that Russell developed with A. N. Whitehead in their Principia mathematica (1910-1913). ? This definitive history of a critical period in mathematics includes detailed accounts of the two principal influences upon Russell around 1900: the set theory of Cantor and the mathematical logic of Peano and his followers. Substantial surveys are provided of many related topics and figures of the late nineteenth century: the foundations of mathematical analysis under Weierstrass; the creation of algebraic logic by De Morgan, Boole, Peirce, Schröder, and Jevons; the contributions of Dedekind and Frege; the phenomenology of Husserl; and the proof theory of Hilbert. The many-sided story of the reception is recorded up to 1940, including the rise of logic in Poland and the impact on Vienna Circle philosophers Carnap and Gödel. A strong American theme runs though the story, beginning with the mathematician E. H. Moore and the philosopher Josiah Royce, and stretching through the emergence of Church and Quine, and the 1930s immigration of Carnap and GödeI. Grattan-Guinness draws on around fifty manuscript collections, including the Russell Archives, as well as many original reviews. The bibliography comprises around 1,900 items, bringing to light a wealth of primary materials. Written for mathematicians, logicians, historians, and philosophers–especially those interested in the historical interaction between these disciplines–this authoritative account tells an important story from its most neglected point of view. Whitehead and Russell hoped to show that (much of) mathematics was expressible within their logic; they failed in various ways, but no definitive alternative position emerged then or since.

User’s Reviews

Editorial Reviews: Review “Ivor Grattan-Guinness, Recipient of the Kenneth O. May Medal and Prize for contributions to the History of Mathematics, awarded by the International Commission for the History of Mathematics””Grattan-Guiness’s uniformly interesting and valuable account of the interwoven development of logic and related fields of mathematics . . . between 1870 and 1940 presents a significantly revised analysis of the history of the period. . . . [His] book is important because it supplies what has been lacking: a full account of the period from a primary mathematical perspective.”—James W. Van Evra, Isis Review “I know of no comparably comprehensive treatment of the history of this important period in modern logic. There is a large body of historical literature that is in need of just the kind of synthesis and masterly overview that this work provides. Though most people recognize mathematics as a principal motivating force behind the development of modern logic, the influences on and from mathematics have been largely ignored or minimized. The Search for Mathematical Roots acts as a guide through that challenging mathematical thicket.”―Albert C. Lewis, chief editor of The History of Mathematics from Antiquity to the Present”Ivor Grattan-Guinness provides a marvelous, comprehensive overview of the history of efforts to come to an understanding of mathematical logic and its relation to mathematics in the period 1870-1940. Given its rich detail and inclusion of under-appreciated figures who deserve to be better known, this is an especially important and useful book.”―Joseph Dauben, author of George Cantor: His Mathematics and Philosophy of the Infinite From the Back Cover “I know of no comparably comprehensive treatment of the history of this important period in modern logic. There is a large body of historical literature that is in need of just the kind of synthesis and masterly overview that this work provides. Though most people recognize mathematics as a principal motivating force behind the development of modern logic, the influences on and from mathematics have been largely ignored or minimized. The Search for Mathematical Roots acts as a guide through that challenging mathematical thicket.”–Albert C. Lewis, chief editor of The History of Mathematics from Antiquity to the Present”Ivor Grattan-Guinness provides a marvelous, comprehensive overview of the history of efforts to come to an understanding of mathematical logic and its relation to mathematics in the period 1870-1940. Given its rich detail and inclusion of under-appreciated figures who deserve to be better known, this is an especially important and useful book.”–Joseph Dauben, author of George Cantor: His Mathematics and Philosophy of the Infinite About the Author I. Grattan-Guinness is Professor of the History of Mathematics and Logic at Middlesex University. Founder of the journal History and Philosophy of Logic and past President of the British Society for the History of Mathematics, he has authored or edited numerous books, including The Norton History of Mathematics, Companion Encyclopedia of the History and Philosophy of the Mathematical Sciences, and Convolutions in French Mathematics, 1800-1840. Read more

Reviews from Amazon users which were colected at the time this book was published on the website:

⭐I have owned a copy for over a year, and not a week goes by in which I do not consult it. The 50pp bibliography alone is worth the price.Modern foundational mathematics emerged around 1840, with the work of Boole, De Morgan, and Bolzano. In the 1870s, Cantor, Peirce, Frege made their appearance. In the 1890s, Peano, Hilbert, Russell and Whitehead came on line. The author is an authority on Cantor, Peano, the rise of set theory, on Russell, and Principia Mathematica, and these are covered in great detail. The era closes in the 1930s, with the negative metatheorems of Goedel and Church, and the rise of Quine. All this makes for an exciting human adventure, and this book is the best narrative we have of that adventure.The book is a gold mine of details little known to most philosophers and to nearly all mathematicians. Here I learned that Husserl was trained as a mathematician, and that much of foundational mathematics can be seen as a meditation on bits of Kant. I should grant that IGG is not fair to everyone: Skolem, for instance, is slighted. Also, this book is far from definitive about Polish logic, which deserves a book of its own.

⭐You’ll notice that although GG still lists Cantor’s “paradox” in his index, in the text he doesn’t quite bring himself to say that there is such a thing. Why not? Because he has read Garciadiego’s BERTRAND RUSSELL AND THE ORIGINS OF THE SET-THEORETIC ‘PARADOXES,’ which shows quite clearly that there is no such thing as Cantor’s paradox, or the Burali-Forti paradox, or Russell’s for that matter. The so-called “set-theoretic paradoxes” were for the most part inventions of Russell, and not a single one from the period, comes out as anything but a meaningless formulation.The problem this creates for GG is that so-called “set theory” is nonsense, and not much worth wasting time on. Apart from Cantor’s own pathetic inability ever to define what a set is, the history is a farce of the blind leading the blind–trying to “avoid” formulations which are not paradoxes or anything else. This is worth writing about? Worth listing 1900 items in a bibliography, about? It’s sad, but a good study in how wastes of time and resources occur.So GG goes ahead and talks about these “paradoxes” as if they really were such, and about people’s “responses” to them as if there was anything to respond to. GG still hasn’t quite weaned himself from the “paradoxes,” although he cites Garciadiego and should have known better. The gist of the book is that the “paradoxes” which led to Godel’s argument (and those of the Intuitionists, the Logicists and Formalists as well as their successors), are not paradoxes at all–they are meaningless formulations. This undermines most, if not all, of twentieth-century mathematics, and in particular destroys Godel’s very sloppy argument.Garciadiego cites Richard’s own formulation of this “contradiction” (Richard’s term) in a letter to Poincare. He also cites Richard reducing the argument to meaninglessness. What does this have to do with Godel? It’s simple. For Godel, Richard’s “paradox” means that truth in number theory cannot be defined in number theory. On this basis, he distinguishes truth from provability. He combines his idea of Richard’s “paradox” with the idea that provability in number theory can be defined in number theory. He arrives at the conclusion that if all the provable formulae are true, there must be some true but unprovable formulae. However, since Richard’s “paradox” is without meaning, since it has no logical content whatsoever and is simply letters pulled out of a bag, there is no basis in Godel’s argument for distinguishing truth from provability. It turns out that there is no logical content in the idea that if all the provable formulae are true, there must be some true but unprovable formulae.People are having a hard time getting over the notion that Godel didn’t do his homework, and has nothing to say, but really you have to grow up. Get over it. The problem is that Godel was a terrible scholar, and did not apply himself sufficiently to the details of the development of set theory.Garciadiego’s book has implications for all twentieth-century mathematics. Here are just a few examples of horrendous errors which explain a lot about why mathematics today is regarded as the province of clowns. For example, Brouwer based the idea of an infinite ordinal number on the idea that Cantor had proved well-ordering of the ordinal numbers. But not only did Cantor never prove this, but also, he never said he had done so, and never used the term infinite ordinal number. Turing never examines the “paradoxes” in order to determine whether they are simply meaningless formulations. Thus, in an attempt to “prove that there is no general method for determining about a formula whether it is an ordinal formula, we use an argument akin tothat leading the Burali-Forti paradox, but the emphasis and the conclusion are different.” As Garciadiego reveals, there is no Burali-Forti paradox. In the context of an attempt to prove the Trichotomy Law, Burali-Forti tried “to prove by reductio ad absurdum that the hypothesis [involved in his own argument] was false and this method required supposing the hypothesis true and arriving at a contradiction. The employment of the hypothesis, as an initial premise, generated the inconsistency. But once the hypothesis is seen to imply a contradiction it is thereby proved to be false.” Turing purported to distinguish completeness from decidability, not realizing that the absence of a contradiction made the distinction insupportable. Turing claimed justification for his definition of a computable number in a “direct appeal to intuition.” This is not a cavalier reference to intuitionism. In fact, it provides the basis for Turing’s use of binary numbers. This base2 system is a metaphor which traces itself back through Turing’s own bifurcation of the mathematical process to Brouwer’s own bifurcation of the operation of the human mind (“the connected and the separate, the continuous and the discrete”)-all in an attempt to “avoid” the “paradoxes.” Brouwer’s complaint is that the “paradoxes” deprive us of distinctions. Turing’s entire apparatus of calculability is designed to “restore” “distinctions.” The binary number, and Turing’s later restoration of a modified form of completeness in the form of decidability, are assertions by way of distinction.However, there is no problem against which to assert it. Operating on these numbers with “finite means” (Turing’s definition of a computable number) merely takes us back to Richard’s response to his own contradiction and no recourse to intuition can rescue us from the consequences of that response: the computable number only has meaning if finite means are defined in totality, and this can only be done with infinitelymany words.It turns out that Richard’s discussion of his own “contradiction” serves as a useful template for evaluating, and then discarding, putative “paradoxes.” There is much work to be done in that field. But as for twentieth-century mathematics, to the extent it is based on already-discredited “paradoxes,” it loses any logical content. This, unfortunately, is certainly true of Godel’s argument. It is even more glaringly true in the case of now-trivial figures such as Carnap and Tarski. After Garciadiego, these names go from the headlines to the footnotes. In general, Garciadiego’s book is an indictment of twentieth-century math academics.The real story is the insidious advance of intutionist-style mathematics through the other disciplines during the twentieth-century. This idea that mathematics is a “natural” part of human experience–an idea nowhere tested or even rigourously used as a hypothesis–provides a crutch for a lot of investigators who were unfamiliar with contemporary mathematics but needed a mathematical expression for their ideas. Thus Sraffa, the economist, whose work came to be expressed in intuitionist math, and Kimura, the biologist, who got his intuitionist math from Malecot, a protege of Boel. Einstein also fell victim to it. Note this passage for his book RELATIVITY:Up to now our considerations have been referred to a particular body of reference, which we have styled a ‘railway embankment.’ We suppose a very long train travelling along the rails with the constant velocity v and in the direction indicated….People travelling in this train will with advantage use the train as a rigid reference-body (co-ordinate system); they regard all events in reference to the train. Then every event which takes place along the line also takes place at a particular point of the train. Also the definition of simultaneity can be given relative to the train in exactly the same way as with respect to the embankment. As a natural consequence, however, the following question arises: Are two events (e.g. the two strokes of lightning A and B) which are simultaneous with reference to the railway embankment also simultaneous relatively to the train? We shall show directly that the answer must be in the negative. When we say that the lightning strokes A and B are simultaneous with respect to the embankment, we mean: the rays of light emitted at the places A and B, where the lightning occurs, meet each other at the mid-point M of the length A -> B of the embankment. But the events A and B also correspond to positions A and B on the train. Let M’ be the mid-point of the distance A -> B on the travelling train. Just when the flashes (as judged from the embankment) of lightning occur, this point M’ naturally coincides with the point M, but it moves towards the right in the diagram with the velocity v of the train.This translation is accurate (the French and Italian are not). Einstein really does say “fallt zwar…zusammen.” That is, he says that one point “naturally” coincides with another. The “naturally” reveals the intuitionist expression of the concept, for it reflects the belief that the formulations of geometry do not express facts.Obviously, the logical problem with it is that, regardless of what Einstein may “feel” about mathematical expressions, nowhere in Einstein’s writings–either in the 1905 papers or after–is any meaning assigned to ‘naturally.’ The failure to do so, destroys the idea, and it is easy to see why. If we retain the concept without meaning there is no logical basis on which to proceed beyond it. If we eliminate it, we wind up with a contradiction: the two assumed coordinate systems collapse into one. What is more, when we place this train experiment next to the various other thought experiments, we see that they are simply translations of the same problem into other terms, just as the false ‘paradoxes’ turn out to be subject to the same problem Richard indicated (reference to an infinite domain which destroys the meaning). In special relativity, natural coincidence can only be defined by infinitely many words. So the distinction collapses.Thus, GG’s account is merely the beginning of an attempt to get out from under bogus “paradoxes” and the ridiculous intuitionist-style mathematics designed to “avoid” them.

⭐A classic scholarly history of ‘what ha;;ened in Math’ during the period. Lots!

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