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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 statement cannot be both true and false






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






3. A sentence which is either true or false






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






5. A question crafted to exclude any possible legitimate response






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






7. Is valid and has true premises






8. Difference of opinion or perception






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






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






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






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






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






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






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






16. An illegitimate appeal to force






17. The subject of a statement is the term being described - or about which something is asserted






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






19. Making an argument based on a false dilemma






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






21. An illegimate appeal to authority






22. Contains the minor term






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






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






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






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






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






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






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






30. An argument based merely on the passage of time






31. A vagueness of grammar that disguises or alters meaning






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






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






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






35. The fallacy of transferring attributes from part to whole






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






37. 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






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






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






40. A statement that reverses the subject and predicate






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






42. Found once in each premise






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






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






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






46. Secretly assuming what you are trying to prove






47. The science and art of reasoning well






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






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






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