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Introductory Logic Vocab

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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






2. The predicate of the conclusion and is used in one premise






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






4. A syllogism is valid if and only if the conclusion is necessarily true given that the premises are true






5. Arguments that confuse the real issue with multiple - vague - or otherwise unclear meanings






6. A word is ambiguous if it has more than one possible meaning






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






8. 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






9. Deals directly with the proper modes of reasoning






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






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






12. Making an argument based on a false dilemma






13. A statement cannot be both true and false






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






15. A hasty generalization






16. The fallacy of transferring attributes from part to whole






17. Secretly assuming what you are trying to prove






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






19. Two statements are logically equivalent if they imply one another






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






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






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






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






24. The result of the condition - the part after the 'then'






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






26. A question crafted to exclude any possible legitimate response






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






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






29. An argument that uses only hypothetical statements






30. An argument from lack of evidence






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






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






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






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






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






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






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






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






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






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






41. A statement that reverses the subject and predicate






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






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






44. Contains the minor term






45. 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






46. Is valid and has true premises






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






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






49. The fallacy of transferring attributes from whole to part






50. An illegitimate appeal to force