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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 set of all terms not included in the given term






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






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






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






5. Contains the minor term






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






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






8. Is valid and has true premises






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






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






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






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






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






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






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






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






17. The fallacy of transferring attributes from part to whole






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






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






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






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






22. An illegimate appeal to authority






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






24. 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






25. Making an argument based on a false dilemma






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






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






28. An argument based merely on the passage of time






29. A question crafted to exclude any possible legitimate response






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






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






32. A vagueness of grammar that disguises or alters meaning






33. Secretly assuming what you are trying to prove






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






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






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






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






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






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






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






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






42. An argument that uses both hypothetical and categorical statements






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






44. A sentence which is either true or false






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






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






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






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






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






50. A statement cannot be both true and false