- we introduced the pointer_step rc in the perspective of proving

[helm.git] / matita / matita / contribs / lambda_delta / basic_2 / computation / cpe.ma

diff --git a/matita/matita/contribs/lambda_delta/basic_2/computation/cpe.ma b/matita/matita/contribs/lambda_delta/basic_2/computation/cpe.ma
index 22d7ea92a49c5e61b739a489d36045197cce0e36..285e6e4fc23c18d04878e2323a1d0b8009c70a0c 100644 (file)
--- a/matita/matita/contribs/lambda_delta/basic_2/computation/cpe.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/computation/cpe.ma
@@ -18,7 +18,7 @@ include "basic_2/computation/csn.ma".
 (* CONTEXT-SENSITIVE PARALLEL EVALUATION ON TERMS **************************)
 
 definition cpe: lenv → relation term ≝
-                λL,T1,T2. L ⊢ T1 ➡* T2 ∧ L ⊢ 𝐍[T2].
+                λL,T1,T2. L ⊢ T1 ➡* T2 ∧ L ⊢ 𝐍⦃T2⦄.
 
 interpretation "context-sensitive parallel evaluation (term)"
    'PEval L T1 T2 = (cpe L T1 T2).
@@ -26,7 +26,7 @@ interpretation "context-sensitive parallel evaluation (term)"
 (* Basic_properties *********************************************************)
 
 (* Basic_1: was: nf2_sn3 *)
-lemma cpe_csn: â\88\80L,T1. L â\8a¢ â¬\87* T1 â\86\92 â\88\83T2. L â\8a¢ T1 â\9e¡* ð\9d\90\8d[T2].
+lemma cpe_csn: â\88\80L,T1. L â\8a¢ â¬\8a* T1 â\86\92 â\88\83T2. L â\8a¢ T1 â\9e¡* ð\9d\90\8dâ¦\83T2â¦\84.
 #L #T1 #H @(csn_ind … H) -T1
 #T1 #_ #IHT1
 elim (cnf_dec L T1) /3 width=3/