--- /dev/null
+(**************************************************************************)
+(* ___ *)
+(* ||M|| *)
+(* ||A|| A project by Andrea Asperti *)
+(* ||T|| *)
+(* ||I|| Developers: *)
+(* ||T|| The HELM team. *)
+(* ||A|| http://helm.cs.unibo.it *)
+(* \ / *)
+(* \ / This file is distributed under the terms of the *)
+(* v GNU General Public License Version 2 *)
+(* *)
+(**************************************************************************)
+
+include "basic_2/notation/relations/prediteval_5.ma".
+include "basic_2/rt_transition/cnu.ma".
+include "basic_2/rt_computation/cpms.ma".
+
+(* EVALUATION FOR T-UNBOUND RT-TRANSITION ON TERMS **************************)
+
+definition cpue (h) (G) (L): relation2 term term ≝
+ λT1,T2. ∃∃n. ⦃G,L⦄ ⊢ T1 ➡*[n,h] T2 & ⦃G,L⦄ ⊢ ⥲[h] 𝐍⦃T2⦄.
+
+interpretation "evaluation for t-unbound context-sensitive parallel rt-transition (term)"
+ 'PRedITEval h G L T1 T2 = (cpue h G L T1 T2).