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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. Reasoning with probability from examples or experience to general rules






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






3. A vagueness of grammar that disguises or alters meaning






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






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






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






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






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






9. A statement cannot be both true and false






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






11. 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






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






13. Secretly assuming what you are trying to prove






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






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






16. A concept that can be expressed precisely






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






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






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






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






21. Deals directly with the proper modes of reasoning






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






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






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






25. An argument based merely on the passage of time






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






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






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






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






30. A hasty generalization






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






32. Alters the meaning of a statement through changed emphasis






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






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






35. The fallacy of transferring attributes from whole to part






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






37. An argument from lack of evidence






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






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






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






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






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






43. The premise containing the major term






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






45. An argument that uses only hypothetical statements






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






47. A statement that reverses the subject and predicate






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






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






50. 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