THE PRINCIPLES OF JUDICIAL PROOF

THE

PRINCIPLES OF JUDICIAL PROOF

AS GIVEN BY

LOGIC, PSYCHOLOGY, AND GENERAL EXPERIENCE

AND ILLUSTRATED IN .
JUDICIAL TRIALS

COMPILED BY

JOHN HENRY WIGMORE

PROFESSOR OF THE LAW OF EVIDENCE IN NORTHWESTERN UNIVERSITY
AUTHOR OF “A SYSTEM OF EVIDENCE IN TRIALS AT COMMON

LAW," “ A POCKET CODE OF EVIDENCE,” ETC.

BOSTON
LITTLE, BROWN, AND COMPANY

1913

Set up and electrotyped by J. S. Cushing Co., Norwood , Mass., U.S.A.

Presswork by S. J. Parkhill & Co., Boston, Mass., U.S.A.

TO
HANS GROSS

PROFESSOR OF CRIMINAL LAW IN THE UNIVERSITY OF GRAZ

WHO HAS DONE MORE

THAN ANY OTHER MAN IN MODERN TIMES

TO ENCOURAGE THE APPLICATION OF SCIENCE TO JUDICIAL PROOF

THIS VOLUME IS DEDICATED

IN TOKEN OF

PERSONAL GRATITUDE

AND

PROFESSIONAL ADMIRATION