some restyling ...

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_computation / cprs_cnr.ma

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 2849fa0b7aafc793b824d15643220bcbdc3937bc..8cbb2ee6febdead95a44b9d118b5ad5dbbb825f8 100644 (file)
--- 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] T2 → ⦃G,L⦄ ⊢ ➡[h] 𝐍⦃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/