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Introductory Logic Vocab

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A tautology is a statement which is always true because of its logical structure






2. Deductive argument consisting of three statements in categorical form that together use only three terms - called the major - minor - and middle






3. Deals directly with the proper modes of reasoning






4. Improperly assuming that a sequence in time implies a cause and effect






5. Secretly assuming what you are trying to prove






6. The conclusion of an argument is the statement which appears to be implied by the other statements in the argument - which are called premises






7. Points to an inconsistency between a person's argument and behavior






8. A hasty generalization






9. An argument based merely on the passage of time






10. If a statement is true - then it is true






11. Is valid and has true premises






12. Making an argument based on a false dilemma






13. A verbal disagreement is a misunderstanding due to differing definitions to differing definitions for one or more words






14. A real disagreement is an actual inconsistancy between two statements: they cannot both be true at the same time






15. Is a syllogism of the same form as the original - but with obviously true premises and false conclusion - in order to show the original to be invalid






16. The quantity of a statement is the scope of its claim about the extension of the subject: universal (entire extension) or particular (partial)






17. A concept that can be expressed precisely






18. A representation of a syllogism - having statements in standard order with standard abbreviations of its terms






19. Two statements are in contradiction if and only if they always have opposite truth values






20. An argument in which a statement is unstated and assumed. Specifically - it is a syllogism with one assumed statement






21. An argument from lack of evidence






22. A verbal attack on a person rather than his argument






23. A statement cannot be both true and false






24. The relationship between a universal and particular statement of the same quality - in which the falsity of the particular necessitates the falsity of the universal






25. A vagueness of grammar that disguises or alters meaning






26. The subject of the conclusion and is used in the other premise






27. The extention of a term is the sum of all the individual objects described by it






28. An argument that uses both hypothetical and categorical statements






29. A statement that reverses the subject and predicate






30. An argument that uses only hypothetical statements






31. A number from 1 to 4 identifying the placement of its middle term






32. A self-supporting statement is a statement whose truth value can be determined from the statement itself






33. A statement of the opposite quality with a negated predicate






34. The fallacy of transferring attributes from whole to part






35. The science and art of reasoning well






36. A genus of a term is a term that is more general - broad - or abstract than the original term and includes it






37. Attacking a position by pointing out how the arguer came to hold it






38. Changing the definition of a term in the middle of an argument






39. When there appears to be inconsistency - we have a disagreement






40. A word - often a relative pronoun or adverb - that refers to a broad range of things or times






41. Arguments that fail to establish their conclusions because of a weakness in logical structure






42. A statement which can be inferred directly from another statement






43. Any statement is either true or false






44. The fallacy of transferring attributes from part to whole






45. Reasoning with probability from examples or experience to general rules






46. A question crafted to exclude any possible legitimate response






47. The sum of all the common attributes denoted by the term






48. Arguments that confuse the issue by pointing to information that is actually irrelevant to the conclusion






49. Two statements are contrary if and only if they can both be false but cannot both be true






50. The subject of a statement is the term being described - or about which something is asserted