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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. An illegimate appeal to authority






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






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






4. Making an argument based on a false dilemma






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






6. A vagueness of grammar that disguises or alters meaning






7. An argument based merely on the passage of time






8. Found once in each premise






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






10. 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






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






12. Contains the minor term






13. Deals directly with the proper modes of reasoning






14. An illegitimate appeal to a majority






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






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






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






18. The premise containing the major term






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






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






21. The fallacy of transferring attributes from whole to part






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






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






24. Two statements are subcontraries if and only if both can be true but both cannot be false






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






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






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






28. The fallacy of transferring attributes from part to whole






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






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






31. An argument that uses only hypothetical statements






32. A sentence which is either true or false






33. A hasty generalization






34. Is valid and has true premises






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






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






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






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






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






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






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






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






43. A question crafted to exclude any possible legitimate response






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






45. An argument that uses both hypothetical and categorical statements






46. A statement cannot be both true and false






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






48. An argument from lack of evidence






49. An illegitimate appeal to force






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







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