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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 statement cannot be both true and false






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






3. An illegitimate appeal to a majority






4. A sentence which is either true or false






5. A statement that affirms an outcome based on a condition.






6. 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






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






8. A hasty generalization






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






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






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






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






13. 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






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






15. Found once in each premise






16. Is valid and has true premises






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






18. An illegimate appeal to authority






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






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






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






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






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






24. The fallacy of transferring attributes from whole to part






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






26. Contains the minor term






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






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






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






30. The fallacy of transferring attributes from part to whole






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






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






33. An argument that uses both hypothetical and categorical statements






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






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






36. An argument from lack of evidence






37. An argument based merely on the passage of time






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






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






40. Secretly assuming what you are trying to prove






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






42. An illegitimate appeal to force






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






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






45. An argument that uses only hypothetical statements






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






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






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






49. The premise containing the major term






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