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






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






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






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






5. Is valid and has true premises






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






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






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






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






10. A question crafted to exclude any possible legitimate response






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






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






13. Deals directly with the proper modes of reasoning






14. Found once in each premise






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






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






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






19. A statement cannot be both true and false






20. Any statement is either true or false






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






22. Secretly assuming what you are trying to prove






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






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






25. 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






26. A sentence which is either true or false






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






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






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






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






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






32. Difference of opinion or perception






33. The fallacy of transferring attributes from part to whole






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






35. Contains the minor term






36. Alters the meaning of a statement through changed emphasis






37. An argument from lack of evidence






38. An argument based merely on the passage of time






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






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






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






42. An illegimate appeal to authority






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






44. Making an argument based on a false dilemma






45. A verbal attack on a person rather than his argument






46. A concept that can be expressed precisely






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






48. A statement that reverses the subject and predicate






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






50. An argument that uses only hypothetical statements