Heads Up Philosophy by DK

Heads Up Philosophy by DK

Author:DK
Language: eng
Format: epub, azw3, pdf
ISBN: 9781465455468
Publisher: DK Publishing


Degrees of reasonableness

If we can establish that the premises of an argument are very probably all true, and we know that the argument is valid, then we can know that the conclusion is most likely true, too. But sometimes the premises of an argument, although true, do not give us enough information to prove whether or not the conclusion is true. For example, I know that most guitarists are right-handed, and that Jim is a guitarist, and this gives me some justification for believing that Jim is likely to be right-handed. Although it is possible to prove that some things are true if the premises are true and the argument is valid, not all arguments are so black and white. There are degrees of reasonableness of belief. As a result, many philosophical arguments set out simply to provide a reasonable justification for an idea—a theory, rather than a proof.



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