fact: Definition nat_of_large_nat (n : large_nat) : nat := match n with | large_nat_N n => nat_of_N_expand n | large_nat_uint n => Nat.of_num_uint n end.
imports: elpi(elpi) Coq(QArith) Coq.micromega(OrderedRing RingMicromega) mathcomp(all_ssreflect ssralg ssrnum ssrint) mathcomp.zify(ssrZ zify)