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X and the City by John A. Adam

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Chapter 17

THE AXIOMATIC CITY

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In this chapter we try to be a little more formal by defining axioms for an equilibrium model of a circular city. By using the word “equilibrium” here, we mean that the “forces” attracting people to live in the city are balanced at every point by the “forces” that “repel” them. Of course, there are no forces in the physical sense of that word, but by analogy with the balance between gravity and pressure gradients in stars it is possible to suggest certain forms of “coercion” that persuade individuals to live exactly where they do. Let’s get started.

X = ρ(r): CIRCLES IN THE CITY

We make the following assumptions ...

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