Timeline for Examples of "Unusual" Classifications
Current License: CC BY-SA 2.5
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 24, 2011 at 21:09 | comment | added | Simon Rose | Related to your B1, B2: Classification of two-dimensional geometries (Spherical, Euclidean and Hyperbolic). | |
| Mar 24, 2011 at 19:16 | history | answered | S. R. GaL | CC BY-SA 2.5 |