Summary

Portrait of Immanuel Kant Immanuel Kant The Philosophy of Law — Part I.Chapter Third Acquisition conditioned by the Sentence of a Public Judicatory… (1797)

Hence, if some other person were to come forward, and prove by documentary evidence a prior Right of property in the Thing, nothing would remain for the putative new Owner but the advantage which he has drawn as a bonâ fide Possessor of it up to that moment. Now it is frequently impossible to discover the absolutely first original Owner of a Thing in the series of putative Owners, who derive their Rights from one another. Hence no mere exchange of external things, however well it may agree with the formal conditions of Commutative Justice, can ever guarantee an absolutely certain Acquisition.
Source: Wikisource

Portrait of Immanuel Kant Immanuel Kant The Philosophy of Law — Part I.Chapter Third Acquisition conditioned by the Sentence of a Public Judicatory… (1797)

Taking the latter case, the question arises, Whether, since I cannot acquire a Thing from one who is not its Owner (a non domino) , I am excluded by the fact from all Right in the Thing itself, and have merely a personal Right against a wrongful Possessor? This is manifestly so, if the Acquisition is judged purely according to its inner justifying grounds and viewed according to the State of Nature, and not according to the convenience of a Court of Justice.
For everything alienable must be capable of being acquired by any one.
Source: Wikisource

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