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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 relationship between a universal and particular statement of the same quality - in which the truth of the universal necessitates the truth of the particular






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






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






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






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






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






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






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






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






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






11. The premise containing the major term






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






13. A statement cannot be both true and false






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






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






16. 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






17. Found once in each premise






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






19. An argument that uses only hypothetical statements






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






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






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






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






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






25. Alters the meaning of a statement through changed emphasis






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






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






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






29. A concept that can be expressed precisely






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






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






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






33. An illegitimate appeal to a majority






34. A question crafted to exclude any possible legitimate response






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






36. Deals directly with the proper modes of reasoning






37. 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






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






39. Making an argument based on a false dilemma






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






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






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






43. A statement that reverses the subject and predicate






44. A vagueness of grammar that disguises or alters meaning






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






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






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






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






49. An argument that uses both hypothetical and categorical statements






50. An argument from lack of evidence