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. 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






2. Alters the meaning of a statement through changed emphasis






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






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






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






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






7. An illegitimate appeal to force






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






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






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






11. An argument that uses both hypothetical and categorical statements






12. Secretly assuming what you are trying to prove






13. An argument that uses only hypothetical statements






14. A sentence which is either true or false






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






16. Difference of opinion or perception






17. A concept that can be expressed precisely






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






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






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






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






22. An illegimate appeal to authority






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






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






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






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






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






28. Is valid and has true premises






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






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






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






32. 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






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






34. A question crafted to exclude any possible legitimate response






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






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






37. Making an argument based on a false dilemma






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






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






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






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






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






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






44. 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






45. The fallacy of transferring attributes from whole to part






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






47. Deals directly with the proper modes of reasoning






48. A statement that reverses the subject and predicate






49. An illegitimate appeal to a majority






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