See Devine2000, for another example of viewing society as a multitude of possible equilibria.
5
See Draper1990, Chapter 1.
6
To Ruth Levitas1990, p. 35: ‘The real dispute between Marx and Engels and the utopian socialists is not about the merits of goals or of images of the future but about the process of transformation, and particularly about the belief that propaganda alone [about the ideal society] would result in the realization of socialism’.