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






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






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 affirms an outcome based on a condition.






5. Contains the minor term






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






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






8. An argument based merely on the passage of time






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






10. A sentence which is either true or false






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






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






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






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






15. A question crafted to exclude any possible legitimate response






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






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






18. Deals directly with the proper modes of reasoning






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






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






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






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






23. Alters the meaning of a statement through changed emphasis






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






25. Is valid and has true premises






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






27. A statement cannot be both true and false






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






29. An argument that uses both hypothetical and categorical statements






30. An argument from lack of evidence






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






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






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






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






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






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






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






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






39. A statement that reverses the subject and predicate






40. Secretly assuming what you are trying to prove






41. 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






42. An argument that uses only hypothetical statements






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






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






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






46. An illegimate appeal to authority






47. A concept that can be expressed precisely






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






49. The fallacy of transferring attributes from whole to part






50. A hasty generalization