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






2. Secretly assuming what you are trying to prove






3. The science and art of reasoning well






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






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






6. An argument from lack of evidence






7. Difference of opinion or perception






8. A concept that can be expressed precisely






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






10. A statement that reverses the subject and predicate






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






12. Is valid and has true premises






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






14. Making an argument based on a false dilemma






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






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






17. Deals directly with the proper modes of reasoning






18. The premise containing the major term






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






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






21. 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






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






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






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






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






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






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






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






29. An argument based merely on the passage of time






30. Contains the minor term






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






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






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






34. An argument that uses both hypothetical and categorical statements






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






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






37. The fallacy of transferring attributes from part to whole






38. 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






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






40. An argument that uses only hypothetical statements






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






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






43. A statement cannot be both true and false






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






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






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






47. Alters the meaning of a statement through changed emphasis






48. A sentence which is either true or false






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






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