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






2. An argument from lack of evidence






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






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






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






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






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






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






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






10. Difference of opinion or perception






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






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






13. 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






14. Alters the meaning of a statement through changed emphasis






15. Making an argument based on a false dilemma






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






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






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






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






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






21. Secretly assuming what you are trying to prove






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






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






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






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






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






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






28. An argument that uses only hypothetical statements






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






30. The fallacy of transferring attributes from whole to part






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






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






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






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






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






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






37. A sentence which is either true or false






38. An argument based merely on the passage of time






39. 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






40. The science and art of reasoning well






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. A statement that reverses the subject and predicate






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






44. An argument that uses both hypothetical and categorical statements






45. The premise containing the major term






46. Is valid and has true premises






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






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






49. A concept that can be expressed precisely






50. Any statement is either true or false