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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 fail to establish their conclusions because of a weakness in logical structure






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






3. A vagueness of grammar that disguises or alters meaning






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






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






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






7. An argument based merely on the passage of time






8. 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






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






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






11. A statement cannot be both true and false






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






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






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






15. The fallacy of transferring attributes from whole to part






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






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






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






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






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






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






22. An illegitimate appeal to a majority






23. The fallacy of transferring attributes from part to whole






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






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






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






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






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






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






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






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






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






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






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






35. Difference of opinion or perception






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






37. An argument that uses both hypothetical and categorical statements






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






39. An illegimate appeal to authority






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






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






42. An argument from lack of evidence






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






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






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






46. Is valid and has true premises






47. Secretly assuming what you are trying to prove






48. Deals directly with the proper modes of reasoning






49. A hasty generalization






50. Alters the meaning of a statement through changed emphasis