Introduction to Logic
Introduction to Logic is a proven textbook that has been honed through the collaborative efforts of many scholars over the last five decades. Its scrupulous attention to detail and precision in exposition and explanation is matched by the greatest accuracy in all associated detail. In addition, it continues to capture student interest through its personalized human setting and current examples. The 14th Edition of Introduction to Logic, written by Copi, Cohen & McMahon, is dedicated to the many thousands of students and their teachers - at hundreds of universities in the United States and around the world - who have used its fundamental methods and techniques of correct reasoning in their everyday lives.
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affirmative analogy antecedent appear argument form assert attribute called categorical propositions categorical syllogism causal cause circumstances common compound statement conditional statement conjunction contains contrapositive deductive argument definiendum definition denotes diagram disagreement disjunction Disjunctive Syllogism event evidence example exclusive disjunction EXERCISES existential explain express F F F F T F fact fallacy false formal proof formulated given argument human hypothesis Hypothetical Syllogism implies individual inductive invalid kind language logically equivalent meaning ment Mill's Methods modus tollens mortal objects occur p v q passage person phenomenon politician predicate terms present probability of getting problem proof of validity propositional function prove quantifiers question reasoning relevant Rules of Inference scientific sense Simp singular propositions Socrates standard-form categorical propositions standard-form categorical syllogism subject term substitution instance symbol theory things translation true truth table truth values truth-functional universal valid argument validly word