Paris, Montalant, 1720 in-4, [4] ff. n. ch. (titre, avertissement, table des chapitres, privilège), 459 pp., avec 34 planches hors texte de figures géométriques, chiffrées 1-33 (la planche simple n'est pas numérotée), dont 33 en dépliant, basane fauve marbrée, dos à nerfs cloisonné et fleuronné, encadrement de triple filet à froid sur les plats, tranches rouges (reliure de l'époque). Petit manque de cuir en coiffe inférieure, deux coins abîmés, mouillures claires angulaires au début du volume. Ex-libris gratté.
Deuxième édition.L'ouvrage forme un développement de celui de Descartes, et il était presque achevé à la mort brutale de l'auteur en février 1704.Apparenté au chancelier Michel de L'Hospital, Guillaume-François-Antoine de L'Hospital (1661-1704) avait quitté la carrière militaire pour se consacrer aux mathématiques qui occupèrent toute son existence : en 1688, il épousa Marie-Charlotte de Romilley de La Chesnelaye, qui brillait également en algèbre et en géométrie ; il se lia avec Bernoulli, Huygens et Leibniz, et ce fut lui qui vulgarisa en français les résultats du calcul différentiel. Tout cela était inhabituel pour une personne de condition, et son entourage s'empressa d'attribuer s amort précoce à un usage excessif des mathématiques... - - VENTE PAR CORRESPONDANCE UNIQUEMENT
"L'HÔPITAL (L'HOSPITAL), (GUILLAUME FRANÇOIS ANTOINE DE). - FIRST TREATISE ON THE DIFFERENTIAL CALCULUS.
Reference : 50313
(1768)
Avignon, Veuve Girard & Francois Seguin, 1768. 8vo. Contemp. full mottled calf. Wear to top of spine. Richly gilt spine, titlelabel with gilt lettering. (2),XXXI,380 pp. and 8 folded engraved plates. On verso of title-page a stamped exlibris. On inside frontcover an engraved exlibris ""John Cookney"". Internally clean, printed on good paper.
This edition of the first treatise on the differential calculus, first published 1696, is the first with the commentaries by the famous French astronomer Nicolas-Louis De Lacaille, taken from his noted ""Leçons élémentaires de mathématiques"".""The Analyse des infiniment petits was the first textbook of the differential calculus. The existence of several commentaries on it - one by Varignon (1725) - attests to its popularity. The question of its intellectual ownership has been much debated. Jean Bernoulli, who is known to have instructed L’Hospital in the calculus about 1691, complained after L’Hospital’s death that he (Bernoulli) had not been given enough credit for his contributions. L’Hospital himself, in the introduction to his books, freely acknowledges his indebtedness to Leibniz and to the Bernoulli brothers. On the other hand, he states that he regards the foundations provided by him as his own idea, although they also have been credited by some to Jean Bernoulli. However, these foundations can be found, less explicitly, also in Leibniz, although Leibniz made it clear that he did not accept L’Hospital’s Platonistic views on the reality of infinitely small and infinitely large quantities.""(DSB).
"L'HÔSPITAL, (GUILLAUME FRANÇOIS ANTOINE) MARQUIS DE. - CARTESIAN GEOMETRY APPLIED TO THE CONIC SECTIONS.
Reference : 48217
(1707)
Paris, Jean Boudot et Jean Boudet fils, 1707. 4to. Contemporary full calf. A bit of cracking to front hinges, so that cords are seen, but cover not loosening. Spine with 6 raised bands, richly gilt compartments. Wear to top of spine. Two small old paperlabels, one to upper compartment, one to frontcover. Covers slightly rubbed. (4),459,(5) pp. Large woodcut vignette on titlepage, 2 other vignettes, one engraved , one in woodcut. 32 folded engraved plates and one smaller folded plate (Fig. A). An old owners stamp on flyleaf. Internally clean and fine. A few tiny brownspots. Wide-margined and printed on good paper.
Scarce first edition of l'Hôspital's second book - his second successfull textbook - the manuscript of which was left completed at his death in 1704. His first book ""Analyse des infiniment petits pour l’intelligence des lignes courbes"", 1696 was the first textbook of the differential calculus, and his name lives on in the name of the rule for finding the limiting value of a fraction whose numerator and denominator tend to zero. His mathyematical teacher was Jean Bernoulli.The year in which Newton published the anti-Cartesian ""Arithmeticus"" there appeared in France a conspicuously successfull textbook on Cartesian geometry along the lines of that of Guisnée. This was the ""Traité Analytique des Sections Coniques"".... a book which contains less original material than that of Guisnée, but which is more extensive and closer to the modern manner of treatment. The work had been intended for publication at the time the authors famous calculus textbook appeared in 1696, but l'Hospital's illness apparently led to delay and it appeared posthumously in 1707. It is Cartesian in emphasis and although it consists of but one volume, follows generally the tripartite plan of Lahire and Ozanam: first an algebraic quasi-analytic treatment of the Conic Sections along the lines of Apollonian theory"" then an analytic study of the loci, and finally a long section on the customary construction by conics of the roots of cubic and quartic polynominal equations... LHospital sometimes used two axes and seems to have recognized the interchangeability of these, but he betrays some hesitation... In general, L'Hospital (like Descartes) was more interested in analytic geometry as a measure of ecpressing loci algebraivcally than as a method of deriving the properties of a curve from its equation."" (Carl B. Boyer ""History of Analytic geometry"", pp. 150-154.
Paris, Moutard, 1776. 1 vol. in-4°, basane fauve marbrée, dos à nerfs orné de fleurons dorés, pièce de titre en basane brique, double filet doré sur les coupes, tranches rouges. Reliure de l'époque, coiffes absentes, coins émoussés, qq. épidermures. 34 planches hors-texte dont 33 numérotées repliées, (2) ff., 459 pp.,; (4) pp., (1) p. blanche.
Seconde édition de cet ouvrage, "l'un des meilleurs sur cette partie de l'analyse" (Montucla). Il avait été imprimé pour la première fois en 1707 et remis en vente en 1720. Cette édition a été soigneusement établie sur le texte de l'édition de 1707. DSB VIII, 305; Quérard V, 295.
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