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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. Any statement is either true or false






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






3. Is valid and has true premises






4. 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






5. A concept that can be expressed precisely






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






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






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






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






10. An argument that uses only hypothetical statements






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






12. An argument from lack of evidence






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






14. The science and art of reasoning well






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






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






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






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






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






20. Found once in each premise






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






22. The fallacy of transferring attributes from whole to part






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






24. The fallacy of transferring attributes from part to whole






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






26. An argument that uses both hypothetical and categorical statements






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






28. A hasty generalization






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






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






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






32. 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






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






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






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






36. An illegitimate appeal to force






37. An illegitimate appeal to a majority






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






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






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






41. A sentence which is either true or false






42. A vagueness of grammar that disguises or alters meaning






43. An argument based merely on the passage of time






44. Contains the minor term






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






46. Difference of opinion or perception






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






48. A question crafted to exclude any possible legitimate response






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






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