Abstract
We show that both elementary n-dimensional hyperbolic geometry and Euclidean geometry (for all n ≥: 2) can be axiomatized in a one-sorted first-order language with spheres as individual variables and the binary predicate of sphere tangency as the only primitive notion.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 943-947 |
| Number of pages | 5 |
| Journal | Forum Mathematicum |
| Volume | 15 |
| Issue number | 6 |
| DOIs | |
| State | Published - 2003 |
ASJC Scopus subject areas
- General Mathematics
- Applied Mathematics