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






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






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






4. Alters the meaning of a statement through changed emphasis






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






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






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






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






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






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






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






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






13. The premise containing the major term






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






15. An argument based merely on the passage of time






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






17. An argument from lack of evidence






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






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






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






21. A self-contradiction is a statement that is false due to its logical structure






22. A question crafted to exclude any possible legitimate response






23. An illegitimate appeal to force






24. 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






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






26. 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






27. The fallacy of transferring attributes from part to whole






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






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






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






31. An argument that uses only hypothetical statements






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






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






34. The fallacy of transferring attributes from whole to part






35. A sentence which is either true or false






36. A hasty generalization






37. Is valid and has true premises






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






39. Two statements are subcontraries if and only if both can be true but both cannot be false






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






41. Deals directly with the proper modes of reasoning






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






43. The condition - the part following the 'if'






44. Found once in each premise






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






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






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






48. Contains the minor term






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






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