X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Fcomputation%2Fcpe_cpe.ma;h=ec770787b684adf479b1f2f0574007dcb51f727e;hb=cb38da6095e3af84131a3ebf47a9f252f34a804c;hp=2c3b8b8412da7d12aef39312b91a5aa37ca5fd5a;hpb=e0827239f4b44f2af9c7f88c4c7c41f2a193ae37;p=helm.git diff --git a/matita/matita/contribs/lambda_delta/basic_2/computation/cpe_cpe.ma b/matita/matita/contribs/lambda_delta/basic_2/computation/cpe_cpe.ma index 2c3b8b841..ec770787b 100644 --- a/matita/matita/contribs/lambda_delta/basic_2/computation/cpe_cpe.ma +++ b/matita/matita/contribs/lambda_delta/basic_2/computation/cpe_cpe.ma @@ -20,7 +20,7 @@ include "basic_2/computation/cpe.ma". (* Main properties *********************************************************) (* Basic_1: was: nf2_pr3_confluence *) -theorem cpe_mono: ∀L,T,T1. L ⊢ T ➡* 𝐍[T1] → ∀T2. L ⊢ T ➡* 𝐍[T2] → T1 = T2. +theorem cpe_mono: ∀L,T,T1. L ⊢ T ➡* 𝐍⦃T1⦄ → ∀T2. L ⊢ T ➡* 𝐍⦃T2⦄ → T1 = T2. #L #T #T1 * #H1T1 #H2T1 #T2 * #H1T2 #H2T2 elim (cprs_conf … H1T1 … H1T2) -T #T #HT1 >(cprs_inv_cnf1 … HT1 H2T1) -T1 #HT2