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. Two statements are logically equivalent if they imply one another






2. An illegitimate appeal to a majority






3. Any statement is either true or false






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






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






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






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






8. Secretly assuming what you are trying to prove






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






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






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






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






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






14. Contains the minor term






15. A vagueness of grammar that disguises or alters meaning






16. An illegimate appeal to authority






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






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






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






20. The science and art of reasoning well






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






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






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






24. Found once in each premise






25. An argument from lack of evidence






26. Making an argument based on a false dilemma






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






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






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






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






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






32. An argument based merely on the passage of time






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






34. 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






35. A hasty generalization






36. An argument that uses both hypothetical and categorical statements






37. 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






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






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






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






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






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






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






44. An illegitimate appeal to force






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






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






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






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






49. The premise containing the major term






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