Prop
T:Type{i'}. col{i:l}(T) 
Type{i'} c == c(x)T:Type, x:T, c:Collection(T). x c Prop| Who Cites col? | |
| col |
Def Collection(T) == TProp |
| Thm* T:Type{i'}. col{i:l}(T) Type{i'} | |
| col_member |
Def x c == c(x) |
| Thm* T:Type, x:T, c:Collection(T). x c Prop |
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