M:MessageStruct. uid(M) 
|M|
A:Type, B:(AType), p:(a:A
B(a)). 2of(p) B(1of(p))A:Type, B:(AType), p:(a:AB(a)). 1of(p) A| Who Cites msg id? | |
| msg_id | Def uid(MS) == 1of(2of(2of(2of(2of(MS))))) |
|
Thm* M:MessageStruct. uid(M) |M| | |
| pi2 | Def 2of(t) == t.2 |
|
Thm* A:Type, B:(AType), p:(a:AB(a)). 2of(p) B(1of(p)) | |
| pi1 | Def 1of(t) == t.1 |
| Thm* A:Type, B:(AType), p:(a:AB(a)). 1of(p) A |
| Syntax: | uid(MS) | has structure: | msg_id(MS) |
About:
 |  |  |  |  |  |  |  |  |