fact: Definition EtaMixin R leb ltb ltr_sorderb leb_addr leb_ltb_eq leb_total ltb_lcompatible := let _ := @Mixin R leb ltb ltr_sorderb leb_addr leb_ltb_eq leb_total ltb_lcompatible in @Mixin (GRing.Ring.Pack (GRing.Ring.class R) R) leb ltb ltr_sorderb leb_addr leb_ltb_eq leb_total ltb_lcompatible.
imports: mathcomp(ssreflect eqtype ssrbool ssrnat fintype seq ssrfun) mathcomp(bigop choice)