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






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






3. Any statement is either true or false






4. An illegitimate appeal to force






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






6. A hasty generalization






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






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






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






10. A concept that can be expressed precisely






11. The premise containing the major term






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






13. An argument based merely on the passage of time






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






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






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






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






18. A sentence which is either true or false






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






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






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






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






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






24. An argument from lack of evidence






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






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






27. The fallacy of transferring attributes from whole to part






28. 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






29. A vagueness of grammar that disguises or alters meaning






30. Deals directly with the proper modes of reasoning






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






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






33. A question crafted to exclude any possible legitimate response






34. An illegimate appeal to authority






35. Difference of opinion or perception






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






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






38. Secretly assuming what you are trying to prove






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






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






41. The fallacy of transferring attributes from part to whole






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






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






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






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






46. A popular but invalid (or unhelpful) form of argument






47. Contains the minor term






48. A statement that reverses the subject and predicate






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






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