English

Logic

CONTENTS. INTRODUCTION. Chapter I. — The Province of Logic ..... i II.— The Definition of Logic ..... 15 III. — The Foundations of Logic ..... 29 I. The Principle of Contradiction ..... 33 II. The Principle of Identity ..... 42 IV. — The Foundations of Logic (continued) ..... 50 V. — The Foundations of Logic (continued) ..... 71 III. The Principle of Causation ..... 72 IV. The Principle of Excluded Middle ..... 79 VI. — The Three Operations of Thought ..... 92 PART I. - OF SIMPLE APPREHENSION OR CONCEPTION. Simple Apprehension ..... 97 VII. — Simple Apprehension {continued). Modern Errors respecting it ..... 121 VIII. — The Doctrine of Universals ..... 140 IX. — The Heads of Predicables ..... 163 X. — Definition ..... 193 XI.— Division ..... 225 PART II.-OF JUDGMENT OR ASSENT. Chapter I. — Judgment ..... 245 Divisions of Judgment ..... 250 II.— Propositions, their Nature and Divisions ..... 261 Divisions of Propositions ..... 266 III. — Import of Propositions. Various kinds of Propositions ..... 2S0 IV. — The Opposition and Conversion of Propositions ..... 293 PART III — OF REASONING OR ARGUMENT. Chapter I. — Reasoning ..... 305 II. — The Syllogism and its Laws ..... 313 Canons of

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