partial commit: "computation" component ...

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / computation / cpre_cpre.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/cpre_cpre.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/cpre_cpre.ma
index cac970e9a4ec80fef81485844887995204c0ab9b..5d570c7248bc10303a312d9f00ae2253b0a03a11 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/cpre_cpre.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/cpre_cpre.ma
@@ -20,8 +20,8 @@ include "basic_2/computation/cpre.ma".
 (* Main properties *********************************************************)
 
 (* Basic_1: was: nf2_pr3_confluence *)
-theorem cpre_mono: ∀L,T,T1. L ⊢ T ➡* 𝐍⦃T1⦄ → ∀T2. L ⊢ T ➡* 𝐍⦃T2⦄ → T1 = T2.
-#L #T #T1 * #H1T1 #H2T1 #T2 * #H1T2 #H2T2
+theorem cpre_mono: ∀G,L,T,T1. ⦃G, L⦄ ⊢ T ➡* 𝐍⦃T1⦄ → ∀T2. ⦃G, L⦄ ⊢ T ➡* 𝐍⦃T2⦄ → T1 = T2.
+#G #L #T #T1 * #H1T1 #H2T1 #T2 * #H1T2 #H2T2
 elim (cprs_conf … H1T1 … H1T2) -T #T #HT1
 >(cprs_inv_cnr1 … HT1 H2T1) -T1 #HT2
 >(cprs_inv_cnr1 … HT2 H2T2) -T2 //