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






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






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






4. An illegitimate appeal to a majority






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






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






7. A hasty generalization






8. The fallacy of transferring attributes from whole to part






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






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






11. Difference of opinion or perception






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






13. An argument that uses only hypothetical statements






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






15. The fallacy of transferring attributes from part to whole






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






17. An illegitimate appeal to force






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






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






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






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






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






23. 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






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






25. A sentence which is either true or false






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






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






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






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






30. Making an argument based on a false dilemma






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






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






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






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






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






36. A statement cannot be both true and false






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






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






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






40. Secretly assuming what you are trying to prove






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






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






43. An argument from lack of evidence






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






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






46. A concept that can be expressed precisely






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






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






49. The premise containing the major term






50. A question crafted to exclude any possible legitimate response