Private property is a legal convention, defined in part by the tax system; therefore, the tax system cannot be evaluated by looking at its impact on private property, conceived as something that has independent existence and validity. Taxes must be evaluated as part of the overall system of property rights that they help to create. Justice or injustice in taxation can only mean justice or injustice in the system of property rights and entitlements that result from a particular tax regime.
Liam Murphy & Thomas Nagel, The Myth of Ownership: Taxes and Justice, New York, 2002, p. 8