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






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






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






4. Making an argument based on a false dilemma






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






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






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






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






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






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






11. Any statement is either true or false






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






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






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






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






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






17. A sentence which is either true or false






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






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






20. An illegitimate appeal to a majority






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






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






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






24. A statement cannot be both true and false






25. A concept that can be expressed precisely






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






27. An argument from lack of evidence






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






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






30. 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






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






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






33. 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






34. Found once in each premise






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






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






37. A question crafted to exclude any possible legitimate response






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






39. An argument that uses both hypothetical and categorical statements






40. Deals directly with the proper modes of reasoning






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






42. 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






43. The fallacy of transferring attributes from whole to part






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






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






46. An illegitimate appeal to force






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






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






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






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