.

ON THE NATURE OF

"

DEMONSTRATIVE EVIDENCE;

WITH AN

EXPLANATION OF CERTAIN DIFFICULTIES

OCCURRING IN THE

ELEMENTS OF GEOMETRY:

AND

REFLECTIONS ON LANGUAGE.

BY THOMAS BED DOES.

En general, dans les mathematiques on ne s'arrête pas a resoudre
les difficultés metaphyfiques, qui se presentent.

M. TURGOT eût voulu qu'on diffipât jufqu'aux plus petites
obfcurités.

Vie de Turgot.

LONDON:

PRINTED FOR J. JOHNSON, N° 72, IN ST. PAUL'S
CHURCH-YARD. 1793.

1

04-8-35 NEW

Hist y sei

Bowds 4
4-6-35
30174

ТО

DAVIES GIDDY, Esq.

DEAR GIDDY,

FOR
OR the principal opinion, stated and
exemplified in the following pages, it
feems to me that I have the full evidence
of intuition; and this evidence, you know,
must always carry conviction to the mind
of the individual. All he can defire fur-
ther is to learn, whether objects appear to
the senses of others as they appear to his
fenfes.

A 2

What