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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 concept that can be expressed precisely






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






3. Making an argument based on a false dilemma






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






5. A statement which can be inferred directly from another statement






6. Alters the meaning of a statement through changed emphasis






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






8. The fallacy of transferring attributes from whole to part






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






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






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






12. Is valid and has true premises






13. A statement cannot be both true and false






14. The fallacy of transferring attributes from part to whole






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






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






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






18. An argument that uses only hypothetical statements






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






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






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






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






23. A vagueness of grammar that disguises or alters meaning






24. 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






25. Found once in each premise






26. A three letter description of the types of categorical statements it contains when arranged in stadard order






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






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






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






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






31. A statement that reverses the subject and predicate






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






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






34. Difference of opinion or perception






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






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






37. A hasty generalization






38. 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






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






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






41. A question crafted to exclude any possible legitimate response






42. Any statement is either true or false






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






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






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






46. 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






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






48. An argument from lack of evidence






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






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