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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. The set of all terms not included in the given term






2. A statement that reverses and negates both the subject and predicate of the original






3. A popular but invalid (or unhelpful) form of argument






4. Any statement is either true or false






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






6. 'it does not follow'; that an argument is invalid






7. Found once in each premise






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






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






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






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






12. Two statements are related by implication if the truth of one requires the truth of the other






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






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






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






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






17. The premise containing the major term






18. A sentence which is either true or false






19. A diagram of the basic relationships between statements with the same subject and predicate






20. An illegimate appeal to authority






21. Two statements are independant if the truth or falsity of one has no effect on the truth or falsity of the other






22. Secretly assuming what you are trying to prove






23. A statement cannot be both true and false






24. A term that - within a statement - refers to all members of its class






25. A tautology is a statement which is always true because of its logical structure






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






27. An argument based merely on the passage of time






28. Two statements are consistent if they can both be true at the same time






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






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






31. A three letter description of the types of categorical statements it contains when arranged in stadard order






32. Contains the minor term






33. Deals directly with the proper modes of reasoning






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






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






36. A supported statement is a statement whose truth value depends on evidence or information from outside itself






37. An argument that uses both hypothetical and categorical statements






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






39. A set of statements - one of which appears to be implied or supported by the others






40. Making an argument based on a false dilemma






41. Words that set boundaries - referring only to a limited class of things






42. The fallacy of transferring attributes from whole to part






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






44. An argument that uses only hypothetical statements






45. An illegitimate appeal to a majority






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






47. A statement that reverses the subject and predicate






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






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






50. Difference of opinion or perception







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