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






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






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






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






5. A vagueness of grammar that disguises or alters meaning






6. Difference of opinion or perception






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






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






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






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






11. The fallacy of transferring attributes from whole to part






12. A hasty generalization






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






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






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. Contains the minor term






17. An argument that uses both hypothetical and categorical statements






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






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






20. An illegitimate appeal to force






21. The premise containing the major term






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






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






24. An argument from lack of evidence






25. 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






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






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






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






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






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






31. Secretly assuming what you are trying to prove






32. 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






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






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






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






36. The science and art of reasoning well






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






38. Is valid and has true premises






39. A question crafted to exclude any possible legitimate response






40. An argument based merely on the passage of time






41. Alters the meaning of a statement through changed emphasis






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






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






44. A concept that can be expressed precisely






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






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






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






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






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






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