The text signals that to some extent these ideas derive from Marx's Critique of Political Economy, and in particular his notion of "the unequal rate of development", or "uneven development". Marx had also used the term "simultaneity" (Gleichzeitigkeit) in his explanation of the concentration of production processes under the demands of commodity production in the first volume of Das Kapital (see below). But Bloch's argument is also an attempt to counter simplistic interpretations of Hegelian and Marxist teleology, by introducing what he terms "the polyrhythm and the counterpoint of such dialectics", a "polyphonous", "multispatial" and "multitemporal" dialectics, not in order to deny the possibility of proletarian revolution, but in order to "gain additional revolutionary force from the incomplete wealth of the past":