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Affirming the Consequent
Disciplines > Argument > Fallacies > Affirming the Consequent Description | Discussion | Example | See also
DescriptionIf A is true then B is true. B is true. Therefore A is true. If B follows A, then you can assume you can go back the other way also. ExampleI am in London, England. I am in England, therefore I am in London. If you are cheating on me, you will be out of the house a lot. You are out of the house a lot, so you must be cheating on me. DiscussionThis assumes that an if...then... statement is commutative, that given 'If A then B', you can also reverse it to 'If B then A'. The B, or 'then' part of the statement is called the 'consequent' (the A is the antecedent). Affirming the Consequent is one of Aristotle's 13 fallacies. ClassificationSee also |
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| Home | Top | Quick Links | Settings | |
Main sections: | Disciplines | Techniques | Principles | Explanations | Theories | |
Other sections: | Blog! | Quotes | Guest articles | Analysis | Books | Help | |
More pages: | Contact | Caveat | About | Students | Webmasters | Awards | Guestbook | Feedback | Sitemap | Changes | |
Settings: | Computer layout | Mobile layout | Small font | Medium font | Large font | Translate | |
| Home | Top | Menu | Quick Links | |
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