t:Graph Representation. t.obj 
r:t.type
GraphObject(t.graph(r))A:Type, B:(AType), p:(a:A
B(a)). 2of(p) B(1of(p))| Who Cites grr obj? | |
| grr_obj | Def t.obj == 2of(2of(t)) |
| Thm* t:Graph Representation. t.obj r:t.typeGraphObject(t.graph(r)) | |
| pi2 | Def 2of(t) == t.2 |
| Thm* A:Type, B:(AType), p:(a:AB(a)). 2of(p) B(1of(p)) |
| Syntax: | t.obj | has structure: | grr_obj(t) |
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