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






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






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






4. A concept that can be expressed precisely






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






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






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






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






9. A statement cannot be both true and false






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






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






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






13. 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






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






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






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






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






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






19. A sentence which is either true or false






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






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






22. 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






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






24. An argument from lack of evidence






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






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






27. A hasty generalization






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






29. A statement that reverses the subject and predicate






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






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






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






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






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






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






36. Making an argument based on a false dilemma






37. Is valid and has true premises






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






39. Secretly assuming what you are trying to prove






40. An argument based merely on the passage of time






41. Contains the minor term






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






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






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






45. Found once in each premise






46. The fallacy of transferring attributes from part to whole






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






48. An argument that uses only hypothetical statements






49. An illegitimate appeal to a majority






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