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Introductory Logic Vocab

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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 verbal disagreement is a misunderstanding due to differing definitions to differing definitions for one or more words






2. A hasty generalization






3. A statement cannot be both true and false






4. 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






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






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






7. A vagueness of grammar that disguises or alters meaning






8. A statement that reverses the subject and predicate






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






10. An argument that uses only hypothetical statements






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






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






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






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






15. An argument that uses both hypothetical and categorical statements






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






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






18. The science and art of reasoning well






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






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






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






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






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






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






25. A concept that can be expressed precisely






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






27. An illegitimate appeal to force






28. An illegimate appeal to authority






29. The premise containing the major term






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






31. An argument from lack of evidence






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






33. Any statement is either true or false






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






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






36. A question crafted to exclude any possible legitimate response






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






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






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






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






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






42. The set of all terms not included in the given term






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






44. Difference of opinion or perception






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






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






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






48. 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






49. Alters the meaning of a statement through changed emphasis






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