catabase
diagram | is_colimit | construction |
---|---|---|
empty diagram | 0 | terminal object |
pair of points | 0 | binary product |
cospan | 0 | pullback |
pair of parallel arrows | 0 | equalizer |
tower | 0 | directed limit |
endomorphism | 0 | idempotent splitting |
empty diagram | 1 | initial object |
pair of points | 1 | binary sum |
span | 1 | pushout |
pair of parallel arrows | 1 | coequalizer |
tower | 1 | directed colimit |
endomorphism | 1 | idempotent splitting |