fact: Variables (exp : R -> N -> R) (expE : exp = (fun x n => x ^+ nat_of_N n)).
imports: elpi(elpi) Coq(QArith Ring) Coq.micromega(RingMicromega QMicromega EnvRing Tauto Lqa) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(fintype finfun bigop order ssralg ssrnum ssrint) mathcomp.zify(ssrZ zify) mathcomp.algebra_tactics(common)