This is a good, informative piece revealing some important foundations of the jurisprudential (or legal and political philosophy) properties of property. All property relations are conditional – the concept of absolute ownership is an idea that serves a logical function in some liberal jurisprudence and a misleading rhetorical device for various uninformed libertarians with no social conscience.
Further details developed here:
Pedersen, J.M. (2010) “Properties of Property: A Jurisprudential Analysis“, The Commoner, Special Issue, Volume 14, Winter 2010, 137-210