]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/reducibility/lfpr_cpr.ma
- first piece of the mutual induction for preservation finally closed!
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / reducibility / lfpr_cpr.ma
index 2a40f58bd2c83ddd6b094bc1e1a13156de9e5c38..04686f960a484e091967a6459f2a40cdc4d5463a 100644 (file)
@@ -18,12 +18,12 @@ include "basic_2/reducibility/lfpr.ma".
 
 (* FOCALIZED PARALLEL REDUCTION FOR LOCAL ENVIRONMENTS **********************)
 
-(* Advanced properties ****************************************************)
+(* Advanced properties ******************************************************)
 
 lemma lfpr_pair_cpr: ∀L1,L2. ⦃L1⦄ ➡ ⦃L2⦄ → ∀V1,V2. L2 ⊢ V1 ➡ V2 →
                      ∀I. ⦃L1. ⓑ{I} V1⦄ ➡ ⦃L2. ⓑ{I} V2⦄.
 #L1 #L2 * #L #HL1 #HL2 #V1 #V2 *
 <(ltpss_sn_fwd_length … HL2) #V #HV1 #HV2 #I
 lapply (ltpss_sn_tpss_trans_eq … HV2 … HL2) -HV2 #V2
-@(ex2_1_intro … (L.ⓑ{I}V)) /2 width=1/ (**) (* explicit constructor *)
+@(ex2_intro … (L.ⓑ{I}V)) /2 width=1/ (**) (* explicit constructor *)
 qed.