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






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. Reasoning with probability from examples or experience to general rules






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






5. A statement cannot be both true and false






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






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






8. Contains the minor term






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






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






11. A question crafted to exclude any possible legitimate response






12. 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






13. An illegitimate appeal to a majority






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






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






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






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






18. Difference of opinion or perception






19. An argument that uses only hypothetical statements






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






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






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






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






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






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






26. An argument from lack of evidence






27. Found once in each premise






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






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






30. Secretly assuming what you are trying to prove






31. An argument that uses both hypothetical and categorical statements






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






33. The premise containing the major term






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






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






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






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






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






39. The fallacy of transferring attributes from part to whole






40. A statement that reverses the subject and predicate






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






42. Alters the meaning of a statement through changed emphasis






43. A hasty generalization






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






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






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






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






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






49. A sentence which is either true or false






50. A vagueness of grammar that disguises or alters meaning