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25 Cards in this Set
- Front
- Back
categorical proposition |
a proposition in which one predicate is affirmed or denied of one subject |
|
matter |
terms and propositions |
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form |
mood and figure |
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major term |
always predicate of conclusion |
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minor term |
subject of the conclusion |
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middle term |
in both premises but not conclusion |
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conclusion |
relation between major and minor |
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major premise |
contains major term |
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minor premise |
contains minor term |
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mood |
form of propositions when categorical syllogism is in proper logical order |
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proper logical order |
major premise, minor premise, conclusion |
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figure one |
middle terms are across from one another diagonally |
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figure two |
middle terms are directly below each other in the second spot of the sentence |
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figure three |
middle terms are directly below each other in the first spot of the sentence |
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figure four |
middle terms are across from each other diagonally but instead it is the last term in the first sentence then the first term in the second sentence |
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figure |
depends on the placement of the middle term |
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formal fallacy 2 |
illicit process of major or minor term, if the major or minor term is distributed in the conclusion but undistributed in the premise it is invalid |
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formal fallacy 3 |
undistributed middle, if the middle term is undistributed in both premises it is invalid |
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formal fallacy 4 |
two negative premises, if both are negative it is invalid |
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formal fallacy 5 |
illicit affirmative conclusion, if one premises is negative and the conclusion is affirmative it is invalid |
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formal fallacy 6 |
illicit negative conclusion, if both premises are affirmative and the conclusion is affirmative it is invalid |
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formal fallacy 7 |
two particular premises, if both premises are "I" or "O" it is invalid |
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formal fallacy 8 |
illicit universal conclusion. if you have one particular and a universal conclusion it is invalid |
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always invalid |
aee-1 bc illicit major, ooo-4, invalid illicit major and two negatives and two particulars, aaa-2 undistributed middle |
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always valid |
any eio |