DEFINITION sty1_abbr()
TYPE =
∀g:G
.∀c:C
.∀d:C
.∀v:T
.∀i:nat
.getl i c (CHead d (Bind Abbr) v)
→∀w:T.(sty1 g d v w)→(sty1 g c (TLRef i) (lift (S i) O w))
BODY =
Show proof