Hi,
> > The actual term is: S2Eapp(S2Ecst(g0int_t0ype); S2Eextkind(atstype_int)) >>> The needed term is: S2Eapp(S2Ecst(g1int_int_t0ype); >>> S2Eextkind(atstype_int), S2EVar(5314)) >>> >> this means that typechecker can't make ```int o``` (indexed int/higher kinded/g1int) from ```int``` (g0) without knowing anything about the value. And as already noted, g0ofg1/g1ofg0 are used to convert between indexed/non-indexed types I guess that it will ask to prove that the result of ```hash_num(0, 0)``` is >= 0 as well > > -- You received this message because you are subscribed to the Google Groups "ats-lang-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to ats-lang-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/ats-lang-users/CAHjn2KxLKaMoGqDyhDhqRY0Y51SSF0XuO7wsgbac13nvnYVZbw%40mail.gmail.com.