brought together valuable material. Concerning the testimony of
witnesses, its nature and value, concerning memory, and the types
of reproduction, there is now a considerable literature. Everywhere
industrious hands are raised,--hands of psychologists, physicians,
and lawyers, to share in the work. Should they go on unhurt we
may perhaps repair the unhappy faults committed by our ancestors
through stupid ignorance and destructive use of uncritically collected
material.

[1] A. v. Brinz: ber Universalitt. Rektorsrede 1876.




PART I.

THE SUBJECTIVE CONDITIONS OF EVIDENCE: THE
MENTAL ACTIVITIES OF THE JUDGE.

TITLE A. THE CONDITIONS OF TAKING EVIDENCE.

Topic I. METHOD.

Section I. (a) General Considerations.


SOCRATES, dealing in the Meno with the teachability of virtue,
sends for one of Meno's slaves, to prove by him the possibility of
absolutely certain a priori knowledge. The slave is to determine the
length of a rectangle, the contents of which is twice that of one