Mezue ahịrịokwu na-esonụ: Dabere na "Philosophical Dictionary", echiche nke proto-utopian malitere n'oge dị ka oge nke Gris oge ochie na Rom, ndị jụrụ okwukwe nke oge ochie,
ndị ọrụ ugbo na-enupụ isi ma guzobe onwe ha n'oge mmalite nke ikeketeorie, mgbanwe na Renaissance (Hus, Müntzer, More, Campanella), mgbanwe ọchịchị onye kwuo uche ya (Meslier, Morelly, Mably, Winstanley, mgbe e mesịrị Babeufists, Blanquists,) na n'oge mmepe nke ọgba aghara nke ikeketeorie nke gosipụtara mmegide nke ọha mmadụ ikeketeorie (Saint-Simon, Fourier, Owen, Cabet, Lamennais, Proudhon na ndị na-eso ụzọ ha).