"[T]he city is not, cannot, and must not be a tree. The city is a receptacle for life."

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.

• the city is not, cannot, and must not be a tree.quote0.912
  Core anti-hierarchical proclamation from Alexander's 1965 article, frequently cited to show his shift to semilattice thinking.
• According to present-day biological terminology, a city is not a living system.claim0.791
  A statement of current orthodoxy used to highlight the need for a broader definition.
• Cities structured as trees cut life to pieces; semilattices preserve life's strandsclaim0.769
  Alexander's position in 'A City Is Not a Tree' that hierarchical tree structures sever urban life while semilattices enable overlapping, living systems.
• "It is this substance which permits — OR DOES NOT PERMIT — the emergence of living centers in the material, and the adaptation of fine structure that is needed to bring the larger whole to life."quote0.766
  Alexander's foundational assertion connecting material substance directly to living structure.
• Each particle of the city needs to be individual, particular.claim0.766
  A moral and aesthetic imperative for city form rooted in the nature of living tissue
• "Remember that each building exists mainly to activate the land."quote0.764
  A summarizing heading that serves as a load-bearing aphorism for the whole chapter.
• "There is a central quality which is the root criterion of life and spirit in a man, a town, a building, or a wilderness. This quality is objective and precise, but it cannot be named"quote0.760
  Verbatim quote from Alexander (1979, p.19) defining the Quality Without a Name, used to motivate the exploration.
• To be whole, a building must be 'lost' in its surroundings—not separate, but part and parcel of them.claim0.757
  Defines the paradoxical quality of a living whole in architecture.