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ON

ARITHMETIC,

WITH

FULL EXPLANATIONS OF ITS THEORETICAL PRINCIPLES,

AND

NUMEROUS EXAMPLES FOR PRACTICE.

For the Use of Schools,

AND FOR SELF-INSTRUCTION.

By J. R. YOUNG,

LATE PROFESSOR OF MATHEMATICS IN BELFAST COLLEGE,

SECOND EDITION, CORRECTED.

دا tv

“The rules of Arithmetic are formed generally for the use of those who have not arrived at an age
when the reflective and reasoning faculties are sufficiently exercised and strengthened to enable
them to understand fully the principles of the rules which they follow; but it may be justly doubted
whether the acquiescence in this mode of education is not much too general, and whether habits of
investigation and inquiry are not checked, at least, if not destroyed, by teaching the student to
follow merely mechanical rules, in which the understanding takes no part.”—Professor Peacock :
Encyclopædia Metropolitana, art. Arithmetic.

JOR

(
LONDON 17!!-YOR"

JOHN WEALE, 59, HIGH HOLBORN.

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