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






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






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






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






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






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






7. Deals directly with the proper modes of reasoning






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






9. 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






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






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






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






13. A vagueness of grammar that disguises or alters meaning






14. 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






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






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






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






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






19. A sentence which is either true or false






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






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






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






23. Making an argument based on a false dilemma






24. An argument that uses only hypothetical statements






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






26. An argument that uses both hypothetical and categorical statements






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






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






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






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






31. The science and art of reasoning well






32. Any statement is either true or false






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






34. An argument based merely on the passage of time






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






36. The fallacy of transferring attributes from part to whole






37. An illegimate appeal to authority






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






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






40. An illegitimate appeal to force






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






42. Secretly assuming what you are trying to prove






43. A concept that can be expressed precisely






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






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






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






47. A hasty generalization






48. An illegitimate appeal to a majority






49. Is valid and has true premises






50. The fallacy of transferring attributes from whole to part