update in basic_2 and apps_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_conversion / cpc.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_conversion/cpc.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_conversion/cpc.ma
index fcc70428cfcd7c431386283bddab3f86158de86e..21cb11c00031bb10694c25adc2f6217dd1e18afe 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_conversion/cpc.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_conversion/cpc.ma
@@ -18,7 +18,7 @@ include "basic_2/rt_transition/cpm.ma".
 (* CONTEXT-SENSITIVE PARALLEL R-CONVERSION FOR TERMS ************************)
 
 definition cpc: sh → relation4 genv lenv term term ≝
-                λh,G,L,T1,T2. ❪G,L❫ ⊢ T1 ➡[h] T2 ∨ ❪G,L❫ ⊢ T2 ➡[h] T1.
+                λh,G,L,T1,T2. ❪G,L❫ ⊢ T1 ➡[h,0] T2 ∨ ❪G,L❫ ⊢ T2 ➡[h,0] T1.
 
 interpretation
    "context-sensitive parallel r-conversion (term)"
@@ -36,6 +36,6 @@ qed-.
 (* Basic forward lemmas *****************************************************)
 
 lemma cpc_fwd_cpr: ∀h,G,L,T1,T2. ❪G,L❫ ⊢ T1 ⬌[h] T2 →
-                   ∃∃T. ❪G,L❫ ⊢ T1 ➡[h] T & ❪G,L❫ ⊢ T2 ➡[h] T.
+                   ∃∃T. ❪G,L❫ ⊢ T1 ➡[h,0] T & ❪G,L❫ ⊢ T2 ➡[h,0] T.
 #h #G #L #T1 #T2 * /2 width=3 by ex2_intro/
 qed-.