At: decls mng member 1 1 1 1
1. ds1: Collection(dec())
2. ds2: Collection(dec())
3. x: Label
4. rho: Decl
5. v: d:{d:dec()| d ds1 }. [[d]] rho(x)
6. d:dec(). d ds2 d.lbl = x d ds1
7. d: {d:dec()| d ds2 }
8. d.lbl = x
v [[d]] rho(x)
By: AllHyps (IsectHD d)
Generated subgoal:1 | d = d {d:dec()| d ds1 } |
About: