X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcprs_cnr.ma;h=bb08de9ec04ed5a03c8e426083ba21b53e3909d5;hp=45cad66b7b0c4b415c37884aff40979714c04c25;hb=ca7327c20c6031829fade8bb84a3a1bb66113f54;hpb=25c634037771dff0138e5e8e3d4378183ff49b86 diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprs_cnr.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprs_cnr.ma index 45cad66b7..bb08de9ec 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprs_cnr.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprs_cnr.ma @@ -22,7 +22,7 @@ include "basic_2/rt_computation/cprs.ma". (* Basic_1: was: nf2_pr3_unfold *) (* Basic_2A1: was: cprs_inv_cnr1 *) lemma cprs_inv_cnr_sn (h) (G) (L): - ∀T1,T2. ❪G,L❫ ⊢ T1 ➡*[h] T2 → ❪G,L❫ ⊢ ➡[h] 𝐍❪T1❫ → T1 = T2. + ∀T1,T2. ❪G,L❫ ⊢ T1 ➡*[h,0] T2 → ❪G,L❫ ⊢ ➡𝐍[h,0] T1 → T1 = T2. #h #G #L #T1 #T2 #H @(cprs_ind_sn … H) -T1 // #T1 #T0 #HT10 #_ #IH #HT1 lapply (HT1 … HT10) -HT10 #H destruct /2 width=1 by/