catabase
| shape |
|---|
| arrow |
| cospan |
| empty diagram |
| endomorphism |
| pair of parallel arrows |
| pair of points |
| point |
| span |
| tower |
| transfinite composition |
| shape |
|---|
| arrow |
| cospan |
| empty diagram |
| endomorphism |
| pair of parallel arrows |
| pair of points |
| point |
| span |
| tower |
| transfinite composition |