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






2. A sentence which is either true or false






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






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






5. An illegimate appeal to authority






6. An illegitimate appeal to force






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






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






10. 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






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






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






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






14. An argument that uses both hypothetical and categorical statements






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






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






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






18. The fallacy of transferring attributes from part to whole






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






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






21. An illegitimate appeal to a majority






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






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






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






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






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






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






28. An argument based merely on the passage of time






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






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






31. A vagueness of grammar that disguises or alters meaning






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






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






34. Difference of opinion or perception






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






36. Is valid and has true premises






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






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






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






40. The premise containing the major term






41. An argument that uses only hypothetical statements






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






43. Any statement is either true or false






44. 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






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






46. Alters the meaning of a statement through changed emphasis






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






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






49. Found once in each premise






50. The science and art of reasoning well