James Gow Zitate

James Gow war ein britischer Schulleiter, Mathematikhistoriker und Altphilologe.

Gow war der Sohn eines Künstlers und besuchte die King’s College School in Wimbledon und studierte Klassische Philologie an der University of Cambridge mit dem M.A. Abschluss. Er wurde Fellow des Trinity College und des King’s College London. 1875 wurde er Rechtsanwalt am Lincoln’s Inn in London. 1876 bis 1878 war er University Extension Lecturer in Cambridge. 1885 bis 1901 war er Rektor der Nottingham High School und danach Rektor der Westminster School. 1900 bis 1902 war er Präsident der britischen Gesellschaft der Schulleiter und stand 1906 der Headmaster's Conference vor.

Als Mathematikhistoriker ist er für eine Geschichte der griechischen Mathematik bekannt. Von ihm stammt auch eine Einführung in das Studium der klassischen Sprachen, die auch ins Französische und Italienische übersetzt wurde.

1881 wurde er Doctor of Letters in Cambridge. Er schrieb Artikel für die Encyclopædia Britannica von 1911 zum Beispiel über Horaz, dessen Gedichte er auch herausgab.

Er war der Vater des Gräzisten Andrew Sydenham Farrar Gow. Wikipedia

✵ 1854 – 1923

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James Gow: Zitate auf Englisch

“The bones… are given in a heap to a student who has no idea of a skeleton. Here is the defect which I am trying partly to supply…”

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James Gow (scholar)

Preface
A Companion to School Classics (1888)

“The oldest definition of Analysis as opposed to Synthesis is that appended to Euclid XIII. 5. It was possibly framed by Eudoxus. It states that "Analysis is the obtaining of the thing sought by assuming it and so reasoning up to an admitted truth: synthesis is the obtaining of the thing sought by reasoning up to the inference and proof of it." In other words, the synthetic proof proceeds by shewing that certain admitted truths involve the proposed new truth: the analytic proof proceeds by shewing that the proposed new truth involves certain admitted truths.”

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James Gow (scholar)

A Short History of Greek Mathematics (1884)

“Diophantus shows great Adroitness in selecting the unkown, especially with a view to avoiding an adfected quadratic…. The most common and characteristic of Diophantus' methods is his use of tentative assumptions which is applied in nearly every problem of the later books. It consists in assigning to the unknown a preliminary value which satisfies one or two only of the necessary conditions, in order that, from its failure to satisfy the remaining conditions, the operator may perceive what exactly is required for that purpose…. a third characteristic of Diophantus [is]… the use of the symbol for the unknown in different senses…. The use of tentative assumptions leads again to another device which may be called… the method of limits. This may best be illustrated by a particular example. If Diophantus wishes to find a square lying between 10 and 11, he multiplies these numbers by successive squares till a square lies between the products. Thus between 40 and 44, 90 and 99 no square lies, but between 160 and 176 there lies the square 169. Hence x^2 = \tfrac{169}{16} will lie between the proposed limits.”

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James Gow (scholar)

p, 125
A Short History of Greek Mathematics (1884)

“It happened fortunately that during this period of turmoil the guidance of the Christian Church, the one powerful and permanent institution, was chiefly in the hands of the splendid order of St. Benedict. This saint… seeing that idleness was the besetting danger of monastic establishments, founded at Monte Cassino… a model abbey, in which industry was the daily rule. Among other employments, reading and writing were approved as powerful agents in distracting the mind from unholy thoughts, and in Benedictine monasteries the mechanical exercise of copying mss. became one of the regular occupations.”

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James Gow (scholar)

p, 125
A Companion to School Classics (1888)

“Officials could be removed during their year of office by vote of the ecclesia, and periodical opportunities were given for raising complaints…”

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James Gow (scholar)

p, 125
A Companion to School Classics (1888)

“Sometimes… Diophantus solves a problem wholly or in part by synthesis…. Although… Diophantus does not treat his problems generally and is usually content with finding any particular numbers which happen to satisfy the conditions of his problems,… he does occasionally attempt such general solutions as were possible to him. But these solutions are not often exhaustive because he had no symbol for a general coefficient.”

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James Gow (scholar)

p, 125
A Short History of Greek Mathematics (1884)

“The Arithmetica… is deficient, sometimes pardonably, sometimes without excuse, in generalization. The book of Porismata, to which Diophantus sometimes refers, seems on the other hand to have been entirely devoted to the discussion of general properties of numbers. It is three times expressly quoted in the Arithmetica… Of all these propositions he says… 'we find it in the Porisms'; but he cites also a great many similar propositions without expressly referring to the Porisms. These latter citations fall into two classes, the first of which contains mere identities, such as the algebraical equivalents of the theorems in Euclid II…. The other class contains general propositions concerning the resolution of numbers into the sum of two, three or four squares…. It will be seen that all these propositions are of the general form which ought to have been but is not adopted in the Arithmetica. We are therefore led to the conclusion that the Porismata, like the pamphlet on Polygonal Numbers, was a synthetic and not an analytic treatise. It is open, however, to anyone to maintain the contrary, since no proof of any porism is now extant.”

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James Gow (scholar)

p, 125
A Short History of Greek Mathematics (1884)

“To give here an elaborate account of Pappus would be to create a false impression. His work is only the last convulsive effort of Greek geometry which was now nearly dead and was never effectually revived. It is not so with Ptolemy or Diophantus. The trigonometry of the former is the foundation of a new study which was handed on to other nations indeed but which has thenceforth a continuous history of progress. Diophantus also represents the outbreak of a movement which probably was not Greek in its origin, and which the Greek genius long resisted, but which was especially adapted to the tastes of the people who, after the extinction of Greek schools, received their heritage and kept their memory green. But no Indian or Arab ever studied Pappus or cared in the least for his style or his matter. When geometry came once more up to his level, the invention of analytical methods gave it a sudden push which sent it far beyond him and he was out of date at the very moment when he seemed to be taking a new lease of life.”

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James Gow (scholar)

p, 125
A Short History of Greek Mathematics (1884)

“A student of history, who cares little for Greek or mathematics in particular, but who likes to watch how things grow, will be able to extract from these pages a notion of the whole history of mathematical science down to Newton's time…”

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James Gow (scholar)

Preface
A Short History of Greek Mathematics (1884)

“With Diophantus the history of Greek arithmetic comes to an end. No original work, that we know of, was done afterwards.”

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James Gow (scholar)

p, 125
A Short History of Greek Mathematics (1884)

“The history of Alexandrian mathematics begins with the Elements of Euclid and closes with the Algebra of Diophantus, both of which are founded on the discoveries of several preceding centuries.”

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James Gow (scholar)

Preface
A Short History of Greek Mathematics (1884)

“Some fundamental unity was surely to be discerned either in the matter or the structure of things. The Ionic philosophers chose the former field: Pythagoras took the latter. …The geometry which he had learnt in Egypt was merely practical. …It was natural to nascent philosophy to draw, by false analogies, and the use of a brief and deceptive vocabulary, enormous conclusions from a very few observed facts: and it is not surprising if Pythagoras, having learnt in Egypt that number was essential to the exact description of forms and of the relations of forms, concluded that number was the cause of form and so of every other quality. Number, he inferred, is quantity and quantity is form and form is quality.
Footnote2 Primitive men, on seeing a new thing, look out especially for some resemblance in it to a known thing, so that they may call both by the same name. This developes a habit of pressing small and partial analogies. It also causes many meanings to be at attached to the same word. Hasty and confused theories are the inevitable result.”

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James Gow (scholar)

A Short History of Greek Mathematics (1884)

“Probably Greek logistic, or calculation, extended to more difficult operations… and… probably Greek arithmetic, or theory of numbers, owed much more to induction than is permitted to appear by its first and chief professors.”

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James Gow (scholar)

p, 125
A Short History of Greek Mathematics (1884)

“My aim is… to place before a young student a nucleus of well-ordered knowledge, to which he is to add intelligent notes and illustrations from his daily reading.”

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James Gow (scholar)

Preface
A Companion to School Classics (1888)

“The solution of the higher indeterminates depends almost entirely on very favourable numerical conditions and his methods are defective. But the extraordinary ability of Diophantus appears rather in the other department of his art, namely the ingenuity with which he reduces every problem to an equation which he is competent to solve.”

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James Gow (scholar)

p, 125
A Short History of Greek Mathematics (1884)

“The population of Athens and ns, imported from the coasts of the Propontis…. They were employed for domestic purposes, or were let out for hire in gangs as labourers, or were allowed to work by themselves paying a yearly royalty to their masters.
… hardly any Athenian citizen can have been without two or three. The family of Aeschines (consisting of 6 persons) was considered very poor because it possessed only 7 slaves. On the other hand, Plutarch says that let out 1,000 and Hipponicus 600 slaves to work the gold mines in Thrace. The state possessed some slaves of its own, who were employed chiefly as policemen and clerks.
Slaves enjoyed considerable liberties in Athens, and had some rights, even against their masters. They did not serve as soldiers, or sailors, except when the city was in great straits, as at the battle of Arginussae… The worst prospect in store for them was that their masters might be engaged in a lawsuit, for the evidence of a slave (except in a few cases) was not admitted in a court of justice unless he had been put to torture.
Slaves were sometimes freed by their masters, with some sort of public ceremony, or (for great services) by the state which paid their value to their masters.”

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James Gow (scholar)

p, 125
A Companion to School Classics (1888)

“Each of these smaller corporations… to which an Athenian citizen belonged, had… business of its own—money to spend, officers to appoint, rules to make—very similar to that which the state transacted on a larger scale. And it is not to be supposed that Athenians were at all ashamed to take part in such minor business, as English gentlemen are to sit on a vestry or a town council. On the contrary, a large part of the population left their private affairs for slaves to manage, and devoted themselves entirely to their public duties.”

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James Gow (scholar)

p, 125
A Companion to School Classics (1888)

“Apart from the rites and worship peculiar to each family, gens, curia, and tribe, the Romans recognised a vast number of gods and goddesses whose worship was the concern of the whole state. The necessary ceremonies were, in many cases, placed in the charge of sodalicia or clubs… which elected their own members. But the worship of all deities not otherwise provided for was superintended by the pontifices.
The College of Pontifices is said to have been founded by Numa, and was in regal times, presided over by the king himself. But when kings were abolished, their religious functions were divided between two officers, the Pontifex Maximus and the Rex Sacrorum or Sacrificulus. The latter, though he was sometimes treated as the chief priest, in reality only offered some of the sacrifices which the king formerly offered… The general supervision of the state religion belonged to the Pontifex Maximus.
The Pontifex Maximus lived in the Regia, the ancient palace.”

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James Gow (scholar)

A Companion to School Classics (1888)

“Though the defects in Diophantus' proofs are in general due to the limitation of his symbolism, it is not so always. Very frequently indeed Diophantus introduces into a solution arbitrary conditions and determinations which are not in the problem. Of such "fudged" solutions, as a schoolboy would call them, two particular kinds are very frequent. Sometimes an unknown is assumed at a determinate value… Sometimes a new condition is introduced.”

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James Gow (scholar)

A Short History of Greek Mathematics (1884)

“Every official was required to undergo, before assuming office… approval before a law court. This was an inquiry into his conduct, his exactness in paying taxes, etc., and it sometimes happened that he was rejected… Every official was also required to take an oath of allegiance.”

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James Gow (scholar)

p, 125
A Companion to School Classics (1888)

“The history of Greek mathematics is, for the most part, only the history of such mathematics as are learnt daily in all our public schools. …If it was not wanted, as it ought to have been, by our classical professors and our mathematicians, it would have served at any rate to quicken, with some human interest, the melancholy labours of our schoolboys.”

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James Gow (scholar)

Preface
A Short History of Greek Mathematics (1884)

“It was Pythagoras who discovered that the 5th and the octave of a note could be produced on the same string by stopping at 2⁄3 and ½ of its length respectively. Harmony therefore depends on a numerical proportion. It was this discovery, according to Hankel, which led Pythagoras to his philosophy of number. It is probable at least that the name harmonical proportion was due to it, since1:½ :: (1-½):(2⁄3-½).Iamblichus says that this proportion was called ύπ eναντία originally and that Archytas and Hippasus first called it harmonic.”

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James Gow (scholar)

Nicomachus gives another reason for the name, viz. that a cube being of 3 equal dimensions, was the pattern άρμονία: and having 12 edges, 8 corners, 6 faces, it gave its name to harmonic proportion, since:<center>12:6 :: 12-8:8-6</center>
Footnote, citing Vide Cantor, Vorles [Vorlesüngen über Geschichte der Mathematik ?] p 152. Nesselmann p. 214 n. Hankel. p. 105 sqq.
A Short History of Greek Mathematics (1884)