Pflanzenreich schulz cruciferae by A. Engler

By A. Engler

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56 9. Some Putative Principles A. Identity De Re and De Dicto Given the above remarks, it is easy to see that the burden of a de dicto assertion like (26) Possibly something is red is that the proposition something is red is true in at least one possible world. An assertion like (27) Something is possibly prime on the other hand, is a de re assertion conveying the information that there exists at least one object—the number 2 perhaps—that has the property of being prime in at least one possible world.

If the former, however, then that possibility shows at best that (25) could have expressed a true proposition. There is nothing here to suggest that the proposition it does express could have been true. Harry knows that (25) expresses a necessarily false proposition. We do not; we know only that the proposition it expresses is either necessarily true or necessarily false. e. expresses a true proposition, is contingently false; this does not compromise the fact that the proposition it expresses is necessarily false.

If the former, however, then that possibility shows at best that (25) could have expressed a true proposition. There is nothing here to suggest that the proposition it does express could have been true. Harry knows that (25) expresses a necessarily false proposition. We do not; we know only that the proposition it expresses is either necessarily true or necessarily false. e. expresses a true proposition, is contingently false; this does not compromise the fact that the proposition it expresses is necessarily false.

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