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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 set of all terms not included in the given term






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






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






4. Making an argument based on a false dilemma






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






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






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






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






9. Is valid and has true premises






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






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






12. An illegitimate appeal to force






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






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






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






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






17. The fallacy of transferring attributes from whole to part






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






19. Deals directly with the proper modes of reasoning






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






21. Alters the meaning of a statement through changed emphasis






22. An illegitimate appeal to a majority






23. A vagueness of grammar that disguises or alters meaning






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






25. A statement that reverses the subject and predicate






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






27. The predicate of the conclusion and is used in one premise






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






29. Secretly assuming what you are trying to prove






30. A question crafted to exclude any possible legitimate response






31. An argument that uses both hypothetical and categorical statements






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






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






34. Any statement is either true or false






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






36. A hasty generalization






37. A statement cannot be both true and false






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






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






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






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






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






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






44. An argument that uses only hypothetical statements






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






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






47. An argument from lack of evidence






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






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






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