At: record select wf decls mng
ds:Collection(dec()), rho:Decl, s:{[[ds]] rho}, x:Label, t:SimpleType.
mk_dec(x, t)
ds 
s.x
[[t]] rho
By:
Unfolds [`record`;`r_select`] 0
THEN
Unfold `decl_type` 0
THEN
Try (Fold `decl` 0)
THEN
Try
(BackThru
Thm*
ds:Collection(dec()), rho:Decl, x:Label, y:[[ds]] rho(x)
, a:SimpleType. mk_dec(x, a)
ds 
y
[[a]] rho)
Generated subgoals:None
About: