AN

ELEMENTARY TREATISE

ON

LOGIC;

INCLUDING

PART I. ANALYSIS OF FORMULE.-PART II. METHOD.

WITH AN

APPENDIX OF EXAMPLES

FOR ANALYSIS AND CRITICISM.

AND

A COPIOUS INDEX OF TERMS AND SUBJECTS.

DESIGNED FOR THE USE OF SCHOOLS AND COLLEGES AS WELL AS FOR PRIVATE
STUDY AND USE.

BY

W. D. WILSON, D. D.,

TRINITY PROFESSOR OF CHRISTIAN ETHICS, AND PROFESSOR OF LOGIC, OF INTELLECTUAL
PHILOSOPHY, AND OF HISTORY IN HOBART FREE COLLEGE,

AT GENEVA, WESTERN NEW YORK,

"LOGIO-the Mathematics of Thought."-COUSIN.

THIRD REVISED EDITION.

NEW YORK:

D. APPLETON AND COMPANY,

90, 92 & 94 GRAND STREET.

LONDON: 16 LITTLE BRITAIN.

EN

In the Clerk's Office of the District Court of the United States for the Southern District of New York.