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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. Making an argument based on a false dilemma






2. An argument based merely on the passage of time






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






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






5. An illegimate appeal to authority






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






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






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






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






10. An illegitimate appeal to a majority






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






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






13. A sentence which is either true or false






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






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






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






17. An argument from lack of evidence






18. The fallacy of transferring attributes from whole to part






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






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






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






22. A statement cannot be both true and false






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






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






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






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






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






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






29. Any statement is either true or false






30. An illegitimate appeal to force






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






32. Alters the meaning of a statement through changed emphasis






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






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






35. Secretly assuming what you are trying to prove






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






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






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






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






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






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






42. A concept that can be expressed precisely






43. 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






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






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






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






47. A vagueness of grammar that disguises or alters meaning






48. A statement that reverses the subject and predicate






49. Contains the minor term






50. Difference of opinion or perception