===== Zero object =====
==== Collection ====
| @#55CCEE: context     | @#55CCEE: ${\bf C}$ ... category |
| @#FFBB00: definiendum | @#FFBB00: $Z$ |
| @#55EE55: postulate   | @#55EE55: $Z$ ... initial object |
| @#55EE55: postulate   | @#55EE55: $Z$ ... terminal object |

==== Discussion ====
=== Reference ===
Wikipedia: [[http://en.wikipedia.org/wiki/Initial_and_terminal_objects|Initial and terminal objects]]
==== Parents ====
=== Context* ===
[[Categories]]
=== Requirements ===
[[Initial object]], [[Terminal object]]
=== Element of* ===
[[Initial morphism]], [[Terminal morphism]]