bug fix in ththe notation for lists:

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / multiple / drops.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/multiple/drops.ma b/matita/matita/contribs/lambdadelta/basic_2/multiple/drops.ma
index 1c0c1888888cc55dd4e62f0650f7a73d5e69ff1c..4508cf6a38c168ac8d41e156220289f22f5e1afa 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/multiple/drops.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/multiple/drops.ma
@@ -21,7 +21,7 @@ include "basic_2/multiple/lifts.ma".
 (* ITERATED LOCAL ENVIRONMENT SLICING ***************************************)
 
 inductive drops (s:bool): list2 nat nat → relation lenv ≝
-| drops_nil : â\88\80L. drops s (â\9f ) L L
+| drops_nil : â\88\80L. drops s (â\97\8a) L L
 | drops_cons: ∀L1,L,L2,des,d,e.
               drops s des L1 L → ⇩[s, d, e] L ≡ L2 → drops s ({d, e} @ des) L1 L2
 .
@@ -35,13 +35,13 @@ interpretation "iterated slicing (local environment) general"
 
 (* Basic inversion lemmas ***************************************************)
 
-fact drops_inv_nil_aux: â\88\80L1,L2,s,des. â\87©*[s, des] L1 â\89¡ L2 â\86\92 des = â\9f  → L1 = L2.
+fact drops_inv_nil_aux: â\88\80L1,L2,s,des. â\87©*[s, des] L1 â\89¡ L2 â\86\92 des = â\97\8a → L1 = L2.
 #L1 #L2 #s #des * -L1 -L2 -des //
 #L1 #L #L2 #d #e #des #_ #_ #H destruct
 qed-.
 
 (* Basic_1: was: drop1_gen_pnil *)
-lemma drops_inv_nil: â\88\80L1,L2,s. â\87©*[s, â\9f ] L1 ≡ L2 → L1 = L2.
+lemma drops_inv_nil: â\88\80L1,L2,s. â\87©*[s, â\97\8a] L1 ≡ L2 → L1 = L2.
 /2 width=4 by drops_inv_nil_aux/ qed-.
 
 fact drops_inv_cons_aux: ∀L1,L2,s,des. ⇩*[s, des] L1 ≡ L2 →