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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. An illegimate appeal to authority






2. Two statements are related by implication if the truth of one requires the truth of the other






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






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






5. The relationship between a universal and particular statement of the same quality - in which the truth of the universal necessitates the truth of the particular






6. The premise containing the major term






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






8. A hasty generalization






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






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






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






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






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






14. An argument based merely on the passage of time






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






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






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






18. Making an argument based on a false dilemma






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






20. Alters the meaning of a statement through changed emphasis






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






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






23. 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






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






25. An illegitimate appeal to a majority






26. Secretly assuming what you are trying to prove






27. A vagueness of grammar that disguises or alters meaning






28. A statement cannot be both true and false






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






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






31. The subject of a statement is the term being described - or about which something is asserted






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






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






34. A sentence which is either true or false






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






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






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






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






39. An argument from lack of evidence






40. An illegitimate appeal to force






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






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






43. Deals directly with the proper modes of reasoning






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






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






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






47. 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






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






49. A question crafted to exclude any possible legitimate response






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