Strict conditional: Difference between revisions

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Avoiding paradoxes: "had" is a counterfactual
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The strict conditionals may avoid [[paradoxes of material implication]]. The following statement, for example, is not correctly formalized by material implication:
 
: If Bill Gates hadhas graduated in Medicine, then Elvis never died.
 
This condition should clearly be false: the degree of Bill Gates has nothing to do with whether Elvis is still alive. However, the direct encoding of this formula in [[classical logic]] using material implication leads to: