exact List.sublist_of_map_sublist _ _ Prod.fst $ List.sieve_sublist bs sch
η : Type u_η
dec_η : DecidableEq η
sch : Schema
t : Table sch
bs : List Bool
⊢ List.map Prod.fst (List.sieve bs sch) <+ List.map Prod.fst sch
no goals