fact: Definition fact3 : N := Eval compute in fact 3.
imports: Coq.Strings.String Coq.Structures.Orders Coq.micromega.Lia Coq.Bool.Bool Coq.Sorting.Mergesort Coq.QArith.QArith Coq.QArith.Qround Coq.QArith.Qabs Coq.QArith.Qminmax Coq.NArith.NArith Coq.ZArith.ZArith Coq.Arith.Arith Coq.Lists.List PerformanceExperiments.LetIn