X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcsx.ma;h=da0bbe1ee7ef9a563bca8e2c6d39442be9ce4bb1;hb=5c186c72f508da0849058afeecc6877cd9ed6303;hp=49f22191178bc1d6d2418a4ed8f5e1889c707ffe;hpb=6167cca50de37eba76a062537b24f7caef5b34f2;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx.ma
index 49f221911..da0bbe1ee 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx.ma
@@ -16,24 +16,24 @@ include "basic_2/notation/relations/predtystrong_5.ma".
 include "basic_2/syntax/tdeq.ma".
 include "basic_2/rt_transition/cpx.ma".
 
-(* STRONGLY NORMALIZING TERMS FOR UNCOUNTED PARALLEL RT-TRANSITION **********)
+(* STRONGLY NORMALIZING TERMS FOR UNBOUND PARALLEL RT-TRANSITION ************)
 
 definition csx: ∀h. sd h → relation3 genv lenv term ≝
                 λh,o,G,L. SN … (cpx h G L) (tdeq h o …).
 
 interpretation
-   "strong normalization for uncounted context-sensitive parallel rt-transition (term)"
+   "strong normalization for unbound context-sensitive parallel rt-transition (term)"
    'PRedTyStrong h o G L T = (csx h o G L T).
 
 (* Basic eliminators ********************************************************)
 
-lemma csx_ind: ∀h,o,G,L. ∀R:predicate term.
+lemma csx_ind: ∀h,o,G,L. ∀Q:predicate term.
                (∀T1. ⦃G, L⦄ ⊢ ⬈*[h, o] 𝐒⦃T1⦄ →
-                     (∀T2. ⦃G, L⦄ ⊢ T1 ⬈[h] T2 → (T1 ≛[h, o] T2 → ⊥) → R T2) →
-                     R T1
+                     (∀T2. ⦃G, L⦄ ⊢ T1 ⬈[h] T2 → (T1 ≛[h, o] T2 → ⊥) → Q T2) →
+                     Q T1
                ) →
-               ∀T. ⦃G, L⦄ ⊢ ⬈*[h, o] 𝐒⦃T⦄ → R T.
-#h #o #G #L #R #H0 #T1 #H elim H -T1
+               ∀T. ⦃G, L⦄ ⊢ ⬈*[h, o] 𝐒⦃T⦄ →  Q T.
+#h #o #G #L #Q #H0 #T1 #H elim H -T1
 /5 width=1 by SN_intro/
 qed-.