An analysis [of urban space] is possible only if one reduces social action to a language and social relations to systems of communication. The ideological displacement carried out in this perspective consists in passing from one method of mapping traces of social practice through its effects on the organization of space to a principle of organization deduced from the formal expression listed, as if social organization were a code and urban structure a set of myths.

p. 216 - The Urban Question: A Marxist Approach, 1977