Im still trying to figure out what commonalities leftLibertarianism and Libertarian Socialism etc share with mainstream Libertarianism to justify the claim that theyre variations intimately related to mainstream Libertarianism They differ with regard to private property rights the application of the Harm Principle the desirability of Stateenforced Positive Liberties the need for a minimalist State and the importance of Negative Liberty So er  what are these intimately related commonalities that BigK HeX speaks of