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






2. An argument that uses only hypothetical statements






3. 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






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






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






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






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






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






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






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






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






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






13. The fallacy of transferring attributes from whole to part






14. Making an argument based on a false dilemma






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






16. An argument from lack of evidence






17. Alters the meaning of a statement through changed emphasis






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






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






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






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. Any statement is either true or false






24. A vagueness of grammar that disguises or alters meaning






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






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






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






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






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






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






31. A concept that can be expressed precisely






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






33. An illegitimate appeal to force






34. The science and art of reasoning well






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






36. 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






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






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






39. A sentence which is either true or false






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






41. 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






42. An argument based merely on the passage of time






43. A hasty generalization






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






45. A statement that reverses the subject and predicate






46. Is valid and has true premises






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






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






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






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