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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. Deals directly with the proper modes of reasoning






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






3. Is valid and has true premises






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






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






6. 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






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






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






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






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






11. A sentence which is either true or false






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






13. An illegimate appeal to authority






14. Difference of opinion or perception






15. A hasty generalization






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






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






18. The fallacy of transferring attributes from part to whole






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






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






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






22. A vagueness of grammar that disguises or alters meaning






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






24. Contains the minor term






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






26. The fallacy of transferring attributes from whole to part






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






28. An argument that uses both hypothetical and categorical statements






29. An argument from lack of evidence






30. A question crafted to exclude any possible legitimate response






31. An argument that uses only hypothetical statements






32. Found once in each premise






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






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






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






36. An illegitimate appeal to force






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






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






39. A concept that can be expressed precisely






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






41. Making an argument based on a false dilemma






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






43. 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






44. Secretly assuming what you are trying to prove






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






46. A statement that reverses the subject and predicate






47. An illegitimate appeal to a majority






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






49. Improperly assuming that a sequence in time implies a cause and effect






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