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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. 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






2. An illegitimate appeal to a majority






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






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






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






6. A statement that reverses the subject and predicate






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






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






9. Deals directly with the proper modes of reasoning






10. An argument from lack of evidence






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






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






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






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






15. Found once in each premise






16. An illegimate appeal to authority






17. Contains the minor term






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






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






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






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






22. 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






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






24. An argument that uses both hypothetical and categorical statements






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






26. An argument that uses only hypothetical statements






27. 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






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






29. Secretly assuming what you are trying to prove






30. The fallacy of transferring attributes from whole to part






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






32. The premise containing the major term






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






34. The fallacy of transferring attributes from part to whole






35. Is valid and has true premises






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






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






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






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






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






41. The science and art of reasoning well






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






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






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






45. A sentence which is either true or false






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






47. A statement cannot be both true and false






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






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






50. An illegitimate appeal to force