72

THE

PORT ROYAL

ART OF THINKING.

In Four Parts.

I. OF REFLECTIONS UPON IDEAS, OR UPON THE FIRST
OPERATION OF THE MIND, WHICH IS CALLED APPRE-
HENSION, &c.

II. OF CONSIDERATIONS OF MEN ABOUT PROPER JUDG-
MENTS, &c.

III. OF THE NATURE AND VARIOUS KINDS OF REASON-
ING, &c.

IV. OF THE MOST PROFITABLE METHOD FOR DEMONSTRAT-
ING OR ILLUSTRATING ANY TRUTH, &c.

LONDON:

PRINTED FOR THE PROPRIETORS, 14, CHARLOTTE STREET, BLOOMSBURY,

AND TO BE HAD OF ALL THE BOOKSELLERS. 1818.

CONTENTS.

DISCOURSE I. The Design of this Art of Thinking.

DISCOURSE II. Answer to the Principal Objections against this

Art of Thinking.

PART I.

Containing Reflections upon Ideas, or upon the first Operation of

the Mind, which is called Apprehension.

CHAP. I.

Of Ideas, according to their Nature and Original.

CHAP. II.

Of the Objects of Ideas.

CHAP. III.

Of Aristotle's Ten Predicaments.

CHAP. IV.

3. Of the Composition and simplicity of Ideas, wherein is discoursed

the manner of Abstraction.

CHAP. V.

Of the Universality, Particularity, and Singularity of Ideas.

CHAP. VI.

Of the Five Universal IDEAS, GENUS, SPECIES, DIFFERENCE,

PROPER, and ACCIDENT.