import Mathlib import OAI.Analysis.TracialSplitting.PreparedBlocks import OAI.Analysis.JiangSu.Model namespace OAI section noncomputable section open Filter open scoped ENNReal Topology CStarAlgebra namespace SequentialCStar variable (C : ℕ → Type*) [∀ n, CStarAlgebra (C n)] [∀ n, Nontrivial (C n)] open TraceCone namespace System variable {C} (S : System C) lemma stage_isometry (n : ℕ) : Isometry (S.stage n) := AddMonoidHomClass.isometry_of_norm _ (S.stage_norm n) @[simp] lemma inclusion_compatible {n m} (h : n≤ m) (a : C n) : S.inclusion m (S.map h a)=S.inclusion n a := Subtype.ext (S.stage_compatible h a) end System end SequentialCStar end end end OAI