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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.
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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 only hypothetical statements






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






3. Any statement is either true or false






4. The premise containing the major term






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






6. Making an argument based on a false dilemma






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






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






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






10. A statement cannot be both true and false






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






12. The science and art of reasoning well






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






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






15. 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






16. An argument that uses both hypothetical and categorical statements






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






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






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






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






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






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






23. Is valid and has true premises






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






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






26. A concept that can be expressed precisely






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






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






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






30. Alters the meaning of a statement through changed emphasis






31. An argument based merely on the passage of time






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






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






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






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






36. An illegitimate appeal to a majority






37. The fallacy of transferring attributes from part to whole






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






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






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






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






42. A hasty generalization






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






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






45. An illegimate appeal to authority






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






47. Secretly assuming what you are trying to prove






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






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






50. An argument from lack of evidence







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