## A Concise Introduction to LogicAcclaimed in five prior editions, this text covers all of the standard topics for any introductory logic course in neatly-packaged capsules of learning. Known for its concise, direct style emphasizing clarity, Hurley avoids the peculiar quirks, technicalities, and wordiness of other texts. The material is integrated in such a way that elements fit together as in a puzzle so students can assemble a broad picture of the subject. Visual aids and color are used to reinforce key points and concepts. Additionally, key terms are boldfaced, hundreds of examples serve to illustrate ideas, and more than 2000 carefully selected exercises sharpen student understanding and skill. The adept presentation of the subject matter leads to mastery, even by students with poorer academic preparation. |

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analogy animals antecedent argu arguer argument form argument is valid Aristotelian standpoint asserts Boolean standpoint categorical propositions categorical syllogism causal cause circle claim committed components compute conclusion false conditional proof conditional statement Conj conjunction consists contains deductive denotes derive the conclusion determine disjunctive syllogism drugs example Exercise existential exists expressed extensional definitions F T F fact following arguments given hypothesis identical Impl indirect proof inductive argument informal fallacies instantiation interpretation invalid letters lexical definitions logically equivalent means ment modus ponens necessary condition negation non-A obtain occurs operator percent person predicate logic premises and conclusion probability prove quantifier reasoning result rules of inference sample Simp standard form substitution instance sufficient condition symbolic theory things tion translated true premises truth table truth value universal Venn diagrams word