22

and that no appeal need or ought to be made to it
in establishing the truths of logic. Judges by English
standards and those which the present work aims to
establish, Sigwart's teaching is calculated to undermine
the vigor of reasoning, by a sort of phagedemic ulcera-
tion. So it would seem a priori; and a
the impression made upon me by young reasoners
who have been the most diligent students of Sigwart
is that of debility and helplessness in thought.
2nd=. Since it must be nearly forty years since I read
La Lagique of the Abbe Gratry, a writer of subtlety and
exactitude of thought as weel as of elevation of reason,
my account of his doctrine may not be accurate in its
details. I insert it here because after feeling
it seems natural to place proposed method of basing logical
principles upon direct individual experience. Now
since these principles are general, only a mystical expe-

Margin:
Logic 22
On Revolution