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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 predicate of the conclusion and is used in one premise






2. A statement cannot be both true and false






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






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






5. Found once in each premise






6. An argument that uses only hypothetical statements






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






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






9. A question crafted to exclude any possible legitimate response






10. Any statement is either true or false






11. The premise containing the major term






12. 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






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






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






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






16. Making an argument based on a false dilemma






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






18. An argument that uses both hypothetical and categorical statements






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






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






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






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






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






24. Is valid and has true premises






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






26. The quantity of a statement is the scope of its claim about the extension of the subject: universal (entire extension) or particular (partial)






27. A concept that can be expressed precisely






28. Alters the meaning of a statement through changed emphasis






29. Secretly assuming what you are trying to prove






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






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






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






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






34. Contains the minor term






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






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






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






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






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






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






41. Difference of opinion or perception






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






43. Deals directly with the proper modes of reasoning






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






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






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






47. The fallacy of transferring attributes from whole to part






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






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






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