DEFINITION getl_drop_conf_ge()
TYPE =
∀i:nat
.∀a:C
.∀c:C
.getl i c a
→∀e:C
.∀h:nat
.∀d:nat
.(drop h d c e)→(le (plus d h) i)→(getl (minus i h) e a)
BODY =
Show proof