concept
active
concept:black-eight-pointed-star-alhambraBlack Eight-Pointed Star (Alhambra)
The larger eight-pointed star in the tile pattern, used in the five-step sequence to show increasing life.
Neighborhood — ranked by edge-count
Concepts (1)
concept
- Black Star-Octagon (Alhambra)related_toThe central center in the Alhambra pattern, whose life increases as surrounding centers are revealed.
Related by similarity (8)
cosine ≥ 0.65 · no typed edgeEntities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.
- The primary historical artifact studied; a palace in Granada, Spain containing abundant frieze and wallpaper geometric patterns.
- Specific claim tested by the reveal probe.
- Claim tested by the five-star sequence probe.
- The four green hexagons forming a cross around the star-octagon, intensifying its life.
- The plan of the Alhambra palace, used as a key example of local symmetries without overall symmetry—wildly asymmetrical overall yet full of local symmetries at many levels, creating organic wholeness adapted to site
- Author's qualitative observation of unequal distribution of frieze types
- Empirical result from Alexander's own building practice demonstrating that regularity does not predict life in context-specific fields of centers.
- A fragment of tilework from the Alhambra used to illustrate recursion of centers and mutual helping.