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






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






3. An illegitimate appeal to a majority






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






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






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






7. 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






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






9. A vagueness of grammar that disguises or alters meaning






10. Making an argument based on a false dilemma






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






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






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






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






15. Any statement is either true or false






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






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






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






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






20. 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






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






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






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






24. Found once in each premise






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






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






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






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






29. An illegitimate appeal to force






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






31. A question crafted to exclude any possible legitimate response






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






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






34. A concept that can be expressed precisely






35. Alters the meaning of a statement through changed emphasis






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






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






38. A sentence which is either true or false






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






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






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






42. An argument that uses both hypothetical and categorical statements






43. The premise containing the major term






44. Secretly assuming what you are trying to prove






45. Deals directly with the proper modes of reasoning






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






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






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






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






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







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