Dependent and Independent Reasons
How are dependent (or linked) premises to be distinguished from independent (or convergent) premises? Deductive validity, sometimes proposed as a necessary condition for depende'nce, cannot be, for the premises of both inductive and deductive but invalid arguments can be dependent. The question...
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| Format: | Article |
| Language: | English |
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University of Windsor
1991-01-01
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| Series: | Informal Logic |
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| Online Access: | https://informallogic.ca/index.php/informal_logic/article/view/2563 |
| Summary: | How are dependent (or linked) premises to be distinguished from independent (or convergent) premises? Deductive validity, sometimes proposed as a necessary condition for depende'nce, cannot be, for the premises of both inductive and deductive but invalid arguments can be dependent. The question is really this: When do multiple premises for a certain conclusion fonn one argument for that conclusion and when do they form multiple arguments? Answer: Premises are dependent when the evidence they offer for their conclusion is more than the ordinary sum of their probabilities. Ordinary sums are defined in the paper. |
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| ISSN: | 0824-2577 2293-734X |