Test your basic knowledge |

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 statement cannot be both true and false






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






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






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






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






6. The fallacy of transferring attributes from whole to part






7. Secretly assuming what you are trying to prove






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






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






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






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






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






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






14. An illegitimate appeal to force






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






16. An illegimate appeal to authority






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






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






19. Deals directly with the proper modes of reasoning






20. An argument based merely on the passage of time






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






22. An argument from lack of evidence






23. A question crafted to exclude any possible legitimate response






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






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






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






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






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






29. Contains the minor term






30. A concept that can be expressed precisely






31. Found once in each premise






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






33. The fallacy of transferring attributes from part to whole






34. Any statement is either true or false






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






36. Alters the meaning of a statement through changed emphasis






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






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






39. A hasty generalization






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






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






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






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






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






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






46. 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






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






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






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






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