DEFINITION sn3_appl_abbr()
TYPE =
∀c:C
.∀d:C
.∀w:T
.∀i:nat
.getl i c (CHead d (Bind Abbr) w)
→∀v:T
.sn3 c (THead (Flat Appl) v (lift (S i) O w))
→sn3 c (THead (Flat Appl) v (TLRef i))
BODY =
Show proof