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






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






3. The fallacy of transferring attributes from whole to part






4. Any statement is either true or false






5. A sentence which is either true or false






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






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






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






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






10. An argument that uses only hypothetical statements






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






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






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






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






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






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






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






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






19. An illegitimate appeal to a majority






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






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






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






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






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






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






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






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






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






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






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






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






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






33. An argument that uses both hypothetical and categorical statements






34. An illegitimate appeal to force






35. A concept that can be expressed precisely






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






37. 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






38. Is valid and has true premises






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






40. Deals directly with the proper modes of reasoning






41. Found once in each premise






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 consistent if they can both be true at the same time






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






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






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






47. An argument based merely on the passage of time






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






49. Alters the meaning of a statement through changed emphasis






50. A statement that reverses the subject and predicate