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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 hasty generalization






2. Any statement is either true or false






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






4. An argument based merely on the passage of time






5. The conclusion of an argument is the statement which appears to be implied by the other statements in the argument - which are called premises






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






7. Difference of opinion or perception






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






9. 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






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






11. An argument from lack of evidence






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






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






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






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






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






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






18. 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






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






20. The science and art of reasoning well






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






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






23. The fallacy of transferring attributes from part to whole






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






25. 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






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






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






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






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






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






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






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






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






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






35. The fallacy of transferring attributes from whole to part






36. A concept that can be expressed precisely






37. Making an argument based on a false dilemma






38. An illegimate appeal to authority






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






40. A statement that reverses the subject and predicate






41. Contains the minor term






42. Alters the meaning of a statement through changed emphasis






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






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






45. A vagueness of grammar that disguises or alters meaning






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






47. An illegitimate appeal to a majority






48. An argument that uses both hypothetical and categorical statements






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






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