Preface | p. xi |
Logic and Argument | p. 1 |
Logic Defined | p. 1 |
Statements | p. 3 |
Identifying Statements | p. 5 |
Argument Defined | p. 7 |
Argument Form | p. 10 |
Diagraming Arguments | p. 12 |
Diagraming Arguments | p. 15 |
Composing Arguments | p. 16 |
Supplying Missing Parts: Enthymemes | p. 17 |
Enthymemes: Missing Premises and Conclusions | p. 19 |
Recognizing Real Arguments | p. 20 |
Interpretation and the Principle of Charity | p. 23 |
Recognizing Real Arguments | p. 24 |
Summary | p. 26 |
Review Questions | p. 27 |
Discussion Questions | p. 28 |
Infotrac Assignment | p. 28 |
Good Argument, Deductive Validity, and Inductive Strength | p. 29 |
Good Arguments | p. 29 |
Inferential Support: Does the Conclusion Follow? | p. 30 |
Deductive Validity Defined | p. 33 |
Deductive Validity | |
Does the Conclusion Follow Necessarily? | p. 35 |
Inductive Strength | |
Does the Conclusion Follow Probably? | p. 36 |
Validity and Logical Form | p. 37 |
Validity and Logical Form | p. 42 |
More Logical Form | p. 43 |
Truth, Validity, and Good Argument | p. 44 |
What, if Anything, Is Wrong with This Argument? | p. 46 |
Summary | p. 48 |
Review Questions | p. 48 |
Discussion Questions | p. 49 |
Infotrac Assignment | p. 49 |
Categorical Logic Part I | p. 50 |
Introduction | p. 50 |
Categories and Reasoning | p. 52 |
The Four Categorical Forms | p. 54 |
Categorical Forms | p. 56 |
Change the Quality | p. 57 |
Change the Quantity | p. 57 |
Venn Diagrams | p. 58 |
Diagramming with Two Categories | p. 59 |
Drawing Venn Diagrams | p. 61 |
Reading Venn Diagrams | p. 62 |
Recognizing Simple Inferences | p. 63 |
Recognizing Simple Inferences | p. 63 |
The Squares of Opposition | p. 64 |
The Traditional Square of Opposition | p. 65 |
Inferences on the Traditional Square | p. 68 |
Inferences on the Traditional Square of Opposition | p. 72 |
More Inferences | p. 73 |
Quick Check on the Square | p. 73 |
The Modern Square of Opposition | p. 74 |
Inferences on the Modern Square of Opposition | p. 78 |
The Operations | p. 79 |
The Operations: Equivalences | p. 86 |
Negating Terms: Contradictories and Contraries | p. 86 |
Operations | p. 91 |
What Operation? | p. 92 |
Valid or Invalid? | p. 93 |
Simplifying with Operations | p. 93 |
Review Questions | p. 94 |
Discussion Questions | p. 95 |
Categorical Logic Part II | p. 97 |
Translating into Categorical Form | p. 97 |
Translating Guide | p. 98 |
Translating | p. 108 |
Translating | p. 109 |
The Categorical Syllogism | p. 109 |
Testing Validity with Venn Diagrams | p. 110 |
The Bar | p. 113 |
Making an Existential Assumption | p. 114 |
Diagramming with Three Circles | p. 115 |
Reading Venn Diagrams | p. 116 |
Testing Validity with Venn Diagrams | p. 116 |
Special Cases for the Syllogism | p. 117 |
Valid or Invalid? | p. 126 |
Sorites | p. 126 |
Summary | p. 128 |
Review Questions | p. 129 |
Discussion Questions | p. 130 |
Truth-functional Logic Part I | p. 131 |
Introduction | p. 131 |
Statements and Operators | p. 132 |
The Logical Operators Defined | p. 134 |
The Symbols and Their Uses | p. 136 |
Symbolic Translation | p. 136 |
Symbols Used in Truth-functional Logic | p. 136 |
Symbolic Translation | p. 138 |
Grouping and the Scope of Operators | p. 139 |
Symbolizing with Parentheses and Brackets | p. 140 |
Translating and Grouping | p. 142 |
Special Cases for Translation | p. 143 |
Variations on the Conjunction and Disjunction | p. 144 |
Variations on the Conditional | p. 146 |
Special Cases for Translation | p. 149 |
More Symbolic Translations | p. 150 |
The Truth-Functions | p. 152 |
Constructing Truth Tables | p. 155 |
Truth Tables for the Operators | p. 159 |
The Truth-values of Compounds | p. 159 |
Translating and Truth Tables | p. 159 |
Interpreting Symbolic Statements | p. 161 |
Review Questions | p. 161 |
Discussion Questions | p. 163 |
Truth-functional Logic Part II | p. 164 |
Truth Tables for Evaluating Arguments | p. 165 |
The Truth Table Method | p. 167 |
Indirect Truth Tables | p. 169 |
Indirect Truth Table Method | p. 172 |
Statements and Relations | p. 173 |
Types of Statements: Tautologies, Self-contradictions, and Contingencies | p. 173 |
Types of Relations: Equivalences and Contradictories | p. 175 |
Tautologies, Self-contradictions, and Contingencies | p. 176 |
Equivalences and Contradictories | p. 177 |
Summary | p. 177 |
Review Questions | p. 178 |
Discussion Questions | p. 179 |
Formal Deduction | p. 180 |
Introduction | p. 180 |
The rules of Inference: Group I | p. 181 |
The Validity of Rules of Inference, Group I | p. 187 |
Deduction with the Rules of Inference, Group I | p. 188 |
The Rules of Inference: Group II | p. 188 |
The Validity of Rules of Inference, Group II | p. 191 |
Complete the Deductions | p. 192 |
Rules of Inference | p. 194 |
Equivalences | p. 195 |
Rules of Inference | p. 200 |
Equivalences | p. 200 |
Equivalences and Rules of Inference | p. 201 |
More Deductions | p. 202 |
Symbolize and Deduce | p. 203 |
Review Questions | p. 205 |
Inductive Logic | p. 206 |
Inductive Strength | p. 207 |
Inductive Generalization | p. 210 |
Summary: Inductive Generalization | p. 215 |
Inductive Generalization | p. 216 |
More Inductive Generalizations | p. 218 |
Causal Arguments | p. 220 |
Causal Statements | p. 220 |
The Senses of the Word 'Cause' | p. 222 |
The Structure of Causal Relationships | p. 223 |
Causal Structure | p. 225 |
Describing Causes | p. 227 |
Types of Causal Arguments | p. 227 |
Types of Causal Arguments | p. 229 |
Mill's Methods | p. 232 |
Summary: Mill's Methods | p. 239 |
Mill's Methods | p. 240 |
Argument from Analogy | p. 243 |
Summary: Argument from Analogy | p. 251 |
Arguments from Analogy | p. 252 |
Summary | p. 255 |
Identifying Types of Arguments | p. 256 |
Identifying More Difficult Arguments | p. 257 |
Review Questions | p. 261 |
Discussion Questions | p. 262 |
Infotrac Assignment | p. 262 |
Informal Fallacies | p. 263 |
Appeal to Authority | p. 264 |
Appeal to the People | p. 265 |
Appeal to Force | p. 266 |
Appeal to Pity | p. 267 |
Appeal to Ignorance | p. 267 |
Ad Hominem | p. 269 |
False Cause | p. 271 |
Slippery Slope | p. 273 |
Either/Or Fallacy | p. 274 |
Equivocation | p. 276 |
Hasty Generalization | p. 277 |
Fallacy of Composition | p. 279 |
Fallacy of Division | p. 280 |
False Analogy | p. 281 |
Begging the Question | p. 284 |
Straw Man | p. 285 |
Red Herring | p. 287 |
Inconsistency | p. 288 |
Summary | p. 291 |
Identifying Fallacies | p. 292 |
More Informal Fallacies | p. 295 |
Composing Fallacies | p. 304 |
Review Questions | p. 305 |
Discussion Questions | p. 306 |
Evaluating Arguments | p. 307 |
A Procedure for Argument Evaluation | p. 307 |
Exposing Real Arguments | p. 308 |
Omitting, Rewriting, and Paraphrasing | p. 309 |
Omitting Sentences | p. 309 |
Rewriting Sentences | p. 314 |
Paraphrasing | p. 318 |
Omitting, Rewriting, and Paraphrasing | p. 321 |
More on Enthymemes: Plausible Interpretations | p. 327 |
Real Enthymemes: Missing Premises and Conclusions | p. 329 |
Examining Premises | p. 332 |
Empirical and Nonempirical Statements | p. 333 |
Empirical or Nonempirical? | p. 336 |
More on Empirical and Nonempirical | p. 337 |
Sample Evaluations | p. 339 |
Sample Evaluation 1 | p. 339 |
Sample Evaluation 2 | p. 340 |
Evaluating Real Arguments | p. 342 |
Review Questions | p. 352 |
Discussion Questions | p. 353 |
Infotrac Assignment | p. 354 |
Answers to Selected Exercises | p. 355 |
Glossary | p. 405 |
Index | p. 413 |
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