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Logica racional, geometrica, e analitica, obra utilissima, E absolutamente necessaria para entrar em qualquer sciencia, e ainda para todos os homens, que em qualquer particular, quizerem fazer uso do seu entendimento, e explicar as suas idéas por termos claros, proprios, e intelligiveis.  


Lisbon, Na Offic. de Jozé Antonio Plates, 1744.


Folio.  (18) ff., 151, 270, 224 pp. (with errors in pagination).  With as frontispiece portrait of the Infante D. António, drawn by Vieira Lusitano & engraved by Olivarius Cor & vignette on f. (2) recto.  Near contemporary calf (lower cover slightly rubbed, top of spine chipped).   Ownership signature on half title p., short tear repaired in lower margin of title p. & in Pt. II, p. 209/10, some very occasional spotting & dust staining, otherwise a fine copy.

A well-printed work which covers the teaching of logic, geometry, arithmetic and algebra.   Azevedo Fortes "never ceased to propagate the necessity of fostering mathematical, cartographical, architectural, and field-engineering studies.   Although Dom João V did not always provide sufficient funds for such services . . . some remarkable work was carried out by Portuguese military engineers from 1720 onwards . . . Presumably at the prompting of Azevedo Fortes, Dom João V decreed in 1732 that each infantry regiment should contain one company whose officers were professional engineers" (Boxer, The Golden Age of Brazil, p. 297).   The author was educated in Madrid from the age of 10, at the University of Alcalá de Henares, and in France at the College de Plessis.   On returning to Portugal in 1719 he was appointed Chief Engineer, a post which he held until his death 30 years later, and he was a member of the Royal Academy of History, founded by D. João V in 1720.  

Innocêncio V, 370.   Azevedo-Samodães 258.   Soares, Gravura Artística em Portugal, 517.     Monteverde 348.   



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