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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. Difference of opinion or perception






2. The premise containing the major term






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






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






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






6. An argument that uses both hypothetical and categorical statements






7. A statement that reverses the subject and predicate






8. An argument that uses only hypothetical statements






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






10. Contains the minor term






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






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






13. A vagueness of grammar that disguises or alters meaning






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






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






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






17. An argument from lack of evidence






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






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






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






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






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






23. Deals directly with the proper modes of reasoning






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






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






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






27. 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






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






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






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






31. Alters the meaning of a statement through changed emphasis






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






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






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






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






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






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






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






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






40. A question crafted to exclude any possible legitimate response






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






42. A hasty generalization






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






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






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






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






47. A sentence which is either true or false






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






49. An illegimate appeal to authority






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