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Introductory Logic Vocab
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Introductory Logic Vocab
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25 Questions

1. 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

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

3. An argument based merely on the passage of time

4. Making an argument based on a false dilemma

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

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

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

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

9. A question crafted to exclude any possible legitimate response

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

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

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

13. A sentence which is either true or false

14. 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

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

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

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

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

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

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

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

22. Any statement is either true or false

23. A statement cannot be both true and false

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

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