fact: Fixpoint omega_tower (height:nat) : T1 := match height with | 0 => one | S h => phi0 (omega_tower h) end.
imports: Coq(Arith Max Bool Lia Compare_dec Relations Ensembles Wellfounded Bool RelationClasses Operators_Properties ArithRing Logic.Eqdep_dec) hydras(More_Arith Restriction DecPreOrder) hydras(OrdNotations)