tr:|E| List. P(tr) 
Q(tr)E:Structure, P,Q:((|E| List)
Prop). (P refines Q) 
PropS:Structure. |S| TypeA:Type, B:(AType), p:(a:A
B(a)). 1of(p) A| Who Cites tr refines? | |
| tr_refines | Def P refines Q == tr:|E| List. P(tr) Q(tr) |
| Thm* E:Structure, P,Q:((|E| List)Prop). (P refines Q) Prop | |
| carrier | Def |S| == 1of(S) |
| Thm* S:Structure. |S| Type | |
| pi1 | Def 1of(t) == t.1 |
| Thm* A:Type, B:(AType), p:(a:AB(a)). 1of(p) A |
| Syntax: | P refines Q | has structure: | tr_refines(E; P; Q) |
About:
 |  |  |  |  |  |
 |  |  |  |  |