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Test your basic knowledge |
Introductory Logic Vocab
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Study First
Subject
:
logic-and-reasoning
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 word is ambiguous if it has more than one possible meaning
law of excluded middle
amphiboly
ambiguous
composition
2. The quantity of a statement is the scope of its claim about the extension of the subject: universal (entire extension) or particular (partial)
quantity
intension
mixed hypothetical syllogism
verbal disagreement
3. An argument in which a statement is unstated and assumed. Specifically - it is a syllogism with one assumed statement
law of excluded middle
enthymeme
major premise
hypothetical
4. A diagram of the basic relationships between statements with the same subject and predicate
square of oppisition
amphiboly
pure hypothetical syllogism
antecedent
5. Deductive argument consisting of three statements in categorical form that together use only three terms - called the major - minor - and middle
tu quoque
categorical syllogism
fallacies of ambiguity
contrapositive of a statement
6. The subject of the conclusion and is used in the other premise
verbal disagreement
post hoc ergo propter hoc
subcontrariety
minor term
7. Difference of opinion or perception
apparent disagreement
tautology
genus
amphiboly
8. An illegimate appeal to authority
counterexample
schema
ipse dixit
mixed hypothetical syllogism
9. When there appears to be inconsistency - we have a disagreement
disagreement
antecedent
categorical syllogism
middle term
10. A popular but invalid (or unhelpful) form of argument
superimplication
informal fallacy
real disagreement
middle term
11. Changing the definition of a term in the middle of an argument
equivocation
valid
statement
tu quoque
12. A number from 1 to 4 identifying the placement of its middle term
exclusives
converse of a statement
figure
conclusion
13. Deals directly with the proper modes of reasoning
ad ignorantiam
subimplication
term
formal logic
14. A representation of a syllogism - having statements in standard order with standard abbreviations of its terms
amphiboly
ambiguous
schema
immediate reference
15. A self-supporting statement is a statement whose truth value can be determined from the statement itself
either/or
self-supporting statements
minor premise
enthymeme
16. Two statements are in contradiction if and only if they always have opposite truth values
law of identity
contradiction
non sequitur
statement
17. A statement that affirms an outcome based on a condition.
minor term
contrapositive of a statement
hypothetical
argument`
18. A hasty generalization
formal logic
logical equivalence
intension
apriorism
19. Two statements are logically equivalent if they imply one another
complement of a term
logical equivalence
minor term
mood
20. The predicate of the conclusion and is used in one premise
verbal disagreement
major term
complement of a term
law of excluded middle
21. If a statement is true - then it is true
verbal disagreement
square of oppisition
law of identity
hypothetical
22. Two statements are subcontraries if and only if both can be true but both cannot be false
statement
subcontrariety
valid
informal fallacy
23. Arguments that confuse the real issue with multiple - vague - or otherwise unclear meanings
fallacies of ambiguity
hypothetical
self-supporting statements
schema
24. A statement of the opposite quality with a negated predicate
contradiction
obverse of a statement
subject
exclusives
25. An illegitimate appeal to a majority
enthymeme
law of identity
ipse dixit
ad populum
26. A self-contradiction is a statement that is false due to its logical structure
apparent disagreement
obverse of a statement
self-contradiction
statement
27. Words that set boundaries - referring only to a limited class of things
apriorism
exclusives
consequent
mixed hypothetical syllogism
28. The subject of a statement is the term being described - or about which something is asserted
subject
minor term
contrapositive of a statement
complex question
29. The set of all terms not included in the given term
superimplication
categorical syllogism
apriorism
complement of a term
30. An illegitimate appeal to force
fallacy of accent
real disagreement
ad baculum
division
31. 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
contrary
ad baculum
counterexample
extension
32. A set of statements - one of which appears to be implied or supported by the others
major premise
argument`
exclusives
ad ignorantiam
33. An argument based merely on the passage of time
fallacies of ambiguity
quantity
chronological snobbery
square of oppisition
34. A real disagreement is an actual inconsistancy between two statements: they cannot both be true at the same time
real disagreement
tu quoque
logic
formal logic
35. The premise containing the major term
major premise
law of excluded middle
ad populum
fallacy of accent
36. A vagueness of grammar that disguises or alters meaning
obverse of a statement
division
hypothetical
amphiboly
37. An argument that uses both hypothetical and categorical statements
minor term
fallacy of distraction
hypothetical
mixed hypothetical syllogism
38. 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
equivocation
mixed hypothetical syllogism
superimplication
conclusion
39. A three letter description of the types of categorical statements it contains when arranged in stadard order
consistant
mood
quantity
disagreement
40. The condition - the part following the 'if'
implication
antecedent
subimplication
induction
41. Found once in each premise
statement
middle term
square of oppisition
figure
42. Two statements are contrary if and only if they can both be false but cannot both be true
contrary
post hoc ergo propter hoc
inclusive
contradiction
43. Alters the meaning of a statement through changed emphasis
formal logic
logical equivalence
disagreement
fallacy of accent
44. Points to an inconsistency between a person's argument and behavior
square of oppisition
obverse of a statement
tu quoque
consistant
45. A sentence which is either true or false
consistant
complex question
statement
extension
46. A statement which can be inferred directly from another statement
consistant
immediate reference
post hoc ergo propter hoc
figure
47. Improperly assuming that a sequence in time implies a cause and effect
categorical syllogism
contrary
antecedent
post hoc ergo propter hoc
48. An argument that uses only hypothetical statements
informal fallacy
pure hypothetical syllogism
distributed term
self-contradiction
49. An argument from lack of evidence
ad ignorantiam
figure
ipse dixit
categorical syllogism
50. The extention of a term is the sum of all the individual objects described by it
extension
tu quoque
quantity
law of identity