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