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Fallacy of four terms
Fallacy of four terms (quaternio terminorum) – a categorical syllogism that has four terms.
RELATED ARTICLES
Explain
⌅
Fallacies
Fallacies☜A fallacy is incorrect argumentation in logic and rhetoric resulting in a lack of validity, or more generally, a lack of soundness – and, where applicable, you can use Pointer cross-relations from ideas on other maps to indicate that the idea is fallacious (and why). ☜F1CEB7
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Formal syllogistic fallacies
Formal syllogistic fallacies☜Syllogistic fallacies – logical fallacies that occur in syllogisms.☜FFB597
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Fallacy of four terms
Fallacy of four terms☜Fallacy of four terms (quaternio terminorum) – a categorical syllogism that has four terms.☜59C6EF
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Affirmative conclusion from a negative premise
Affirmative conclusion from a negative premise☜Affirmative conclusion from a negative premise (illicit negative) – when a categorical syllogism has a positive conclusion, but at least one negative premise.☜59C6EF
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Fallacy of exclusive premises
Fallacy of exclusive premises☜Fallacy of exclusive premises – a categorical syllogism that is invalid because both of its premises are negative.☜59C6EF
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Fallacy of the undistributed middle
Fallacy of the undistributed middle☜Fallacy of the undistributed middle – the middle term in a categorical syllogism is not distributed.☜59C6EF
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Illicit major
Illicit major☜Illicit major – a categorical syllogism that is invalid because its major term is not distributed in the major premise but distributed in the conclusion.☜59C6EF
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Illicit minor
Illicit minor☜Illicit minor – a categorical syllogism that is invalid because its minor term is not distributed in the minor premise but distributed in the conclusion.☜59C6EF
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Negative conclusion from affirmative premises
Negative conclusion from affirmative premises☜Negative conclusion from affirmative premises (illicit affirmative) – when a categorical syllogism has a negative conclusion but affirmative premises.☜59C6EF
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Graph of this discussion
Graph of this discussion☜Click this to see the whole debate, excluding comments, in graphical form☜dcdcdc
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Entered by:-
David Price
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#130704
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Entry date (GMT):
12/6/2011 7:48:00 PM
Last edit date (GMT):
12/6/2011 7:48:00 PM
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