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Symbolic Logic   By: (1832-1898)

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First Page:

pg i

SYMBOLIC LOGIC

By Lewis Carroll pg ii pg iii pg iv

A Syllogism worked out.

That story of yours, about your once meeting the sea serpent, always sets me off yawning;

I never yawn, unless when I'm listening to something totally devoid of interest.

The Premisses, separately.

· · · · ( ) ( ) · · · · () ( ) ( ) · · · · · · · ·

The Premisses, combined.

· · ( ) ( ) · · ()( ) ( ) · · · ·

The Conclusion.

· · ()( ) · ·

That story of yours, about your once meeting the sea serpent, is totally devoid of interest.

pg v

SYMBOLIC LOGIC

PART I

ELEMENTARY

BY

LEWIS CARROLL

SECOND THOUSAND

FOURTH EDITION

PRICE TWO SHILLINGS

London MACMILLAN AND CO., LIMITED NEW YORK: THE MACMILLAN COMPANY 1897

All rights reserved

pg vi

RICHARD CLAY AND SONS, LIMITED, LONDON AND BUNGAY

pg vii

ADVERTISEMENT.

An envelope, containing two blank Diagrams (Biliteral and Triliteral) and 9 counters (4 Red and 5 Grey), may be had, from Messrs. Macmillan, for 3 d. , by post 4 d.

I shall be grateful to any Reader of this book who will point out any mistakes or misprints he may happen to notice in it, or any passage which he thinks is not clearly expressed.

I have a quantity of MS. in hand for Parts II and III, and hope to be able should life, and health, and opportunity, be granted to me, to publish them in the course of the next few years. Their contents will be as follows:

PART II. ADVANCED.

Further investigations in the subjects of Part I. Propositions of other forms (such as "Not all x are y"). Triliteral and Multiliteral Propositions (such as "All abc are de"). Hypotheticals. Dilemmas. &c. &c.

Part III. TRANSCENDENTAL.

Analysis of a Proposition into its Elements. Numerical and Geometrical Problems. The Theory of Inference. The Construction of Problems. And many other Curiosa Logica .

pg viii

PREFACE TO THE FOURTH EDITION.

The chief alterations, since the First Edition, have been made in the Chapter on 'Classification' (pp. 2, 3) and the Book on 'Propositions' (pp. 10 to 19). The chief additions have been the questions on words and phrases, added to the Examination Papers at p. 94, and the Notes inserted at pp. 164, 194.

In Book I, Chapter II, I have adopted a new definition of 'Classification', which enables me to regard the whole Universe as a 'Class,' and thus to dispense with the very awkward phrase 'a Set of Things... Continue reading book >>




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