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






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






4. The science and art of reasoning well






5. A question crafted to exclude any possible legitimate response






6. Any statement is either true or false






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






8. 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






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






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






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






12. An illegitimate appeal to a majority






13. Deals directly with the proper modes of reasoning






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






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






16. The fallacy of transferring attributes from part to whole






17. A sentence which is either true or false






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






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






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






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






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






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






24. An argument that uses only hypothetical statements






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






26. Found once in each premise






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






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






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






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






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






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






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






34. The fallacy of transferring attributes from whole to part






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






36. An argument that uses both hypothetical and categorical statements






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






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






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






40. A statement that reverses the subject and predicate






41. Secretly assuming what you are trying to prove






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






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






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






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






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






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






48. A vagueness of grammar that disguises or alters meaning






49. Making an argument based on a false dilemma






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