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BY CHARLES DAVIES, LL.D.,
SHADOWS, AND PERSPECTIVE.
A. S. BARNES & COMPANY,
NEW YORK AND CHICAGO.
DAVIES' MATHEMATICS. TH'D . West ::: :
And: Only :Thorough and Complete Mathematical Series.
IN THREE PARTS.
I. COMMON SCHOOL COURSE
the only tangible basis for logical development. .
the whole subject. Theory subordinated to Practice. Davies' Practical Arithmetic.*- The most successful combination of Theory
and Practice, clear, exact, brief, and comprehensive.
11. ACADEMIC COURSE. Davies' University Arithmetic.*-Treating the subject exhaustively as
a science, in a logical series of connected propositions. Davies’ Blementary Algebra.*-A connecting link, conducting the pupil
easily from arithmetical processes to abstract analysis. Davies' University Algebra-*-For institutions desiring a more complete
but not the fullest course in pure Algebra. Davies' Practical Mathematics.-The science practically applied to the
useful arts, as Drawing, Architecture, Surveying, Mechanics, etc. Davies' Elementary Geometry.-The important principles in simple form,
but with all the exactness of vigorous reasoning.
UI. COLLEGIATE COURSE.
exhaustive and scholarly course.
tions have less time to give the subject. Davies' Legendre's Geometry.-Acknowledged the only satisfactory treatise
of its grade. 300,000 copies have been sold. Davies Analytical Geometry and Calculus.—The shorter treatises,
combined in one volume, are more available for American courses of study. Davies’ Analytical Geometry. The original compendiums, for those deDavies' Dif. & Int. Calculus. siring to give full time to each branch. Davies' Descriptive Geometry.-With application to Spherical Trigonome
try, Spherical Projections, and Warped Surfaces. Davies' Shades, Shadows, and Perspective.-A succinct exposition of
the mathematical principles involved.
I. GRAMMAR OF ARITHMETIC, III. LOGIC AND UTILITY OF MATHEMATICS,
* Keys may be obtained from the Publishers by Teachers only.
Entered, according to Act of Congress, in the year 1862, by
Of the various Treatises on Elementary Geometry which lave appeared during the present century, that of M. LEGENDRE stands preëminent. Its peculiar merita have won for it not only a European reputation, but have also caused it to be selected as the basis of many of the best works on the subject that have been published in this country.
In the original Treatise of LEGENDRE, the propositions are not enunciated in general terms, but by means of the diagrams employed in their demonstration. This departure from the method of EUCLID is much to be regretted. The propositions of Geometry are general truths, and ought to be stated in general terms, without reference to particular diagrams. In the following work, each proposition is first enunciated in general terms, and afterwards, with reference to a particular figure, that figure being taken to represent any one of the class to which it belongs. By this arrangement, the difficulty experienced by beginners in comprehending abstract truths, is lessened, without in any manner impairing the generality of the truths evolved.
The term solid, used not only by LEGENDRE, but by many other anthors, to denote a limited portion of space, seemas calculated to
foreign idea of matter