we count rt parallel steps in a different way:

[helm.git] / matita / matita / contribs / lambdadelta / ground_2 / steps / rtc_plus.ma

diff --git a/matita/matita/contribs/lambdadelta/ground_2/steps/rtc_plus.ma b/matita/matita/contribs/lambdadelta/ground_2/steps/rtc_plus.ma
index 87adfee3a41afd50db73bfe58b730dc1c5f58b88..b0b52924071710793e8a33dc291a772e0bf318a8 100644 (file)
--- a/matita/matita/contribs/lambdadelta/ground_2/steps/rtc_plus.ma
+++ b/matita/matita/contribs/lambdadelta/ground_2/steps/rtc_plus.ma
@@ -12,7 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "ground_2/steps/rtc_shift.ma".
+include "ground_2/steps/rtc_isrt.ma".
 
 (* RT-TRANSITION COUNTER ****************************************************)
 
@@ -93,10 +93,3 @@ elim (isrt_inv_plus … H) -H #n1 #n2 #Hn1 #Hn2 #H destruct
 lapply (isrt_mono … Hn2 H2) -c2 #H destruct
 /2 width=3 by ex2_intro/
 qed-.
-
-(* Properties with shift ****************************************************)
-
-lemma plus_shift: ∀c1,c2. (↓c1) + (↓c2) = ↓(c1+c2).
-* #ri1 #rs1 #ti1 #ts1 * #ri2 #rs2 #ti2 #ts2
-<shift_rew <shift_rew <shift_rew <plus_rew //
-qed.