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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. The fallacy of transferring attributes from whole to part






2. An illegitimate appeal to a majority






3. Words that set boundaries - referring only to a limited class of things






4. A concept that can be expressed precisely






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






6. 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






7. Secretly assuming what you are trying to prove






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






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






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






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






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






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






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






15. The premise containing the major term






16. Any statement is either true or false






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






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






19. Deals directly with the proper modes of reasoning






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






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






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






23. An illegimate appeal to authority






24. 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






25. 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






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






27. A sentence which is either true or false






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






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






30. Alters the meaning of a statement through changed emphasis






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






32. Found once in each premise






33. A vagueness of grammar that disguises or alters meaning






34. An illegitimate appeal to force






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






36. A statement cannot be both true and false






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






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






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






40. The science and art of reasoning well






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






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






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






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






45. An argument that uses only hypothetical statements






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






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






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






49. A statement that reverses the subject and predicate






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