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. An illegitimate appeal to force






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






3. A concept that can be expressed precisely






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






5. The fallacy of transferring attributes from part to whole






6. The premise containing the major term






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






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






9. An illegitimate appeal to a majority






10. 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






11. The science and art of reasoning well






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






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






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






15. Is valid and has true premises






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






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






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






19. An illegimate appeal to authority






20. Found once in each premise






21. Secretly assuming what you are trying to prove






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






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






24. A question crafted to exclude any possible legitimate response






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






26. A hasty generalization






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






28. The fallacy of transferring attributes from whole to part






29. Making an argument based on a false dilemma






30. A vagueness of grammar that disguises or alters meaning






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






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






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






34. 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






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






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






37. A statement cannot be both true and false






38. 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






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






40. Any statement is either true or false






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






42. An argument from lack of evidence






43. An argument based merely on the passage of time






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






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






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






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






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






50. Difference of opinion or perception