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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. An argument that uses both hypothetical and categorical statements






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






3. Difference of opinion or perception






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






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






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






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






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






9. Any statement is either true or false






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






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






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






13. An illegimate appeal to authority






14. The science and art of reasoning well






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






16. A statement that reverses the subject and predicate






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






18. 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






19. The fallacy of transferring attributes from part to whole






20. An illegitimate appeal to a majority






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






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






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






24. The premise containing the major term






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






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






27. An argument from lack of evidence






28. An argument based merely on the passage of time






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






30. A hasty generalization






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






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






33. A question crafted to exclude any possible legitimate response






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






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






36. A statement cannot be both true and false






37. Is valid and has true premises






38. A sentence which is either true or false






39. Deals directly with the proper modes of reasoning






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






41. 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






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






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






44. Contains the minor term






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






46. Making an argument based on a false dilemma






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






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






49. An illegitimate appeal to force






50. A vagueness of grammar that disguises or alters meaning