which youth ever derive from catechetical instruction, possessing the sprightliness of living language, and familiarizing the speakers to unpremeditated extempore discussion. If any thing can verify the observations contained in this Introduction, it must be the practice of the catechetical method which I now recommend —a practice which distinguished the instructions of Socrates, which Plato has preserved in his Dialogues, and to which Cicero has reduced almost all his philosophical writings.

LONDON, March, 1819.

ALEXANDER JAMIESON.

V. OF THE PROPER MEANS OF KNOWING THE OPERATIONS OF

OUR OWN MINDS....

17

27

32

VI. OF THE DIFFICULTY OF ATTENDING TO THE OPERATIONS

OF OUR OWN MINDS, INTERSPERSED WITH OBSERVATIONS

WHICH MAY ASSIST US IN OVERCOMING THIS DIFFICULTY 40

VII. DIVISIONS OF THE POWERS OF THE MIND...

42

BOOK II.

OF THE INTELLECTUAL POWERS.

I. OF CONSCIOUSNESS

II. OF SENSATION.

III. OF PERCEPTION....

IV. OF ATTENTION.

V. OF CONCEPTION.

VI. OF ABSTRACTION.

Of Abstract or General Terms.

Of General Conceptions...

Of General Conceptions formed by analyzing Objects.

Of the Operation of Generalizing.

General Conceptions formed by Combinations.

VII. OF THE ASSOCIATION OF IDEAS, OR COMBINATION..

Association by essential Relations....

Accidental Relations or Sources of Association..

....

50

61

66

67

70

73

75

77

4988586RPPNJ38845

Of the Influence of Association on our various Judgments 90

As it affects the Decisions of Taste...

As it affects the speculative Opinions of Mankind.......

The Influence of arbitrary Association, as it affects our

Moral Judgment..

VIII. OF MEMORY...

Things obvious with regard to Memory.

.......

ib.

97

101

102

ib.

Analysis of the Operations of Imagination...

PAGE.

104

105

107

109

110

112

113

Of Imagination in its Relation to some of the Fine Arts... 120

The Relation of Imagination and of Taste to Genius............. 122

Of the Influence of Imagination on Human Character and

Happiness

On the Culture of the Imagination..

X. OF JUDGMENT.

Analysis of this Faculty in general..

Of the Exercise of Judgment in the Formation of Abstract

and General Conceptions.

Of the Objects of Sense....

XI. OF REASON..

.....

Definition and Analysis of this Faculty.

Of Demonstrative Reasoning..

Of Probable Reasoning....

Division of Probable Evidence into different Kinds.

XII. OF MORAL PERCEPTION...

The Rational Principles of Action in Man..

Of Regard to our Good on the whole..

Analysis of Conscience, or the Moral Principle....

Analysis of Duty, Rectitude, and Moral Obligation..

Analysis of the Sense of Duty...

Of Moral Approbation and Disapprobation..

BOOK III.

SUBJECTS OF COLLATERAL INQUIRY WITH THE IN-

TELLECTUAL POWERS.

I. OF THE PRIMARY AND SECONDARY QUALITIES OF BODIES.. 162

II. ON NATURAL LANGUAGE AND SIGNS..

III. OF MATTER AND SPACE......

IV. OF DURATION..

V. OF IDENTITY..

What is meant by Identity in general

Of Personal Identity......

....

VI. OF THE TRAIN OF THOUGHT IN THE MIND..

VII. OF PREJUDICES..

Prejudices of the first Class, or Idola Tribus...

Prejudices of the second Class, or Idola Specus....

Prejudices of the third Class, or Idola Fori.

The Prejudices of the fourth Class, or Idola Theatri.

Rules to prevent Prejudices, and direct our Judgments.... 200

Concluding Remarks...

206

Of particular or abstracted Ideas..

210

Rules for the Acquisition and Examination of Ideas and

Words

211

Sources of Human Knowledge.

228

Of mathematical, moral, political, and prudential Reason-

ing....

Different Species of Reasoning..

238

Examples of Reasoning a Priori.

240

Example of Reasoning a Posteriori..

Analytic and Synthetic Reasoning.

Example of Analytic Reasoning.

III. OF SOPHISTRY...

ib.

241

242

243

IV. OF REASONING AND SYLLOGISM..

249

Of compound, imperfect, or irregular Syllogisms.

Of the Merit of Syllogistic Reasoning...

265

272

BOOK V.

THE PHILOSOPHY OF HUMAN KNOWLEDGE.

I. HUMAN KNOWLEDGE ADDRESSED TO THE MEMORY...... 278

II. HUMAN KNOWLEDGE ADDRESSED TO THE UNDERSTAND-

............

ING....

285

III. HUMAN KNOWLEDGE ADDRESSED TO THE IMAGINATION.. 295

A

GRAMMAR OF LOGIC

AND

INTELLECTUAL PHILOSOPHY.

BOOK I.

CHAPTER I.

TERMS DEFINED AND EXPLAINED.

1. THE professed end of LOGIC is to teach men to think, to judge, to reason, and to communicate their thoughts to each other with precision and accuracy.

Observation 1. This, then, being the design of logic, it has justly been styled the history of the human mind; inasmuch as it traces the progress of our knowledge from our first and simple perceptions, through all the different combinations, and all those numerous deductions, which result from variously comparing these perceptions one with another.

2. It is thus that we are let into the frame and contexture of our own minds, and learn in what manner we ought to conduct our thoughts, in order to arrive at truth and avoid error. We see how to build one discovery upon another, and, by preserving the chain of reasoning uniform and unbroken, to pursue the relations of things through all their labyrinths and windings, and at length exhibit them to the mind with all the advantages of light and conviction.

2. By the MIND of man, we understand that in him which thinks, and feels, and wills, and which is conscious of its actions or operations.

3. The essence of body, as well as that of mind, is unknown to us. We know certain properties of the first, and