Introduction to logic 
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Review: Introduction to Logic
User Review  Argin Gerigorian  GoodreadsOne of the best textbooks, Copi and Cohen don't miss a thing. It is very difficult though since they use a lot of symbols and formulas for logical structures. Logic is similar to learning a new ... Read full review
Review: Introduction to Logic
User Review  Fernanda Penna  GoodreadsIf you want to start to study logic, this is the book! Read full review
Common terms and phrases
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 standardform categorical propositions standardform categorical syllogism subject term substitution instance symbol theory things translation true truth table truth values truthfunctional universal valid argument validly word