A System of Logic: Ratiocinative and Inductive, 7th Edition, Vol. I — John Stuart Mill — John Shaqi
A System of Logic: Ratiocinative and Inductive, 7th Edition, Vol. I
John Stuart Mill · en
3. Genus and Species 131
4. Kinds have a real existence in nature 134
5. Differentia 139
6. Differentiæ for general purposes, and differentiæ for
special or technical purposes 141
7. Proprium 144
8. Accidens 146
CHAPTER VIII. _Of Definition._
§ 1. A definition, what 148
2. Every name can be defined, whose meaning is susceptible
of analysis 150
3. Complete, how distinguished from incomplete definitions 152
4. --and from descriptions 154
5. What are called definitions of Things, are definitions of
Names with an implied assumption of the existence of
Things corresponding to them 157
6. --even when such things do not in reality exist 165
7. Definitions, though of names only, must be grounded on
knowledge of the corresponding Things 167
BOOK II.
OF REASONING.
CHAPTER I. _Of Inference, or Reasoning, in general._
§ 1. Retrospect of the preceding book 175
2. Inferences improperly so called 177
3. Inferences proper, distinguished into inductions and
ratiocinations 181
CHAPTER II. _Of Ratiocination, or Syllogism._
§ 1. Analysis of the Syllogism 184
2. The _dictum de omni_ not the foundation of reasoning,
but a mere identical proposition 191
3. What is the really fundamental axiom of Ratiocination 196
4. The other form of the axiom 199
CHAPTER III. _Of the Functions, and Logical Value, of the
Syllogism._
§ 1. Is the syllogism a _petitio principii_? 202
2. Insufficiency of the common theory 203
3. All inference is from particulars to particulars 205
4. General propositions are a record of such inferences, and
the rules of the syllogism are rules for the interpretation
of the record 214
5. The syllogism not the type of reasoning, but a test of it 218
6. The true type, what 222
7. Relation between Induction and Deduction 226
8. Objections answered 227
9. Of Formal Logic, and its relation to the Logic of Truth 231
CHAPTER IV. _Of Trains of Reasoning, and Deductive
Sciences._