- a caracterization of the top elements of the local evironment

[helm.git] / matita / matita / contribs / lambda_delta / basic_2 / reducibility / ltpr_ltpss.ma

diff --git a/matita/matita/contribs/lambda_delta/basic_2/reducibility/ltpr_ltpss.ma b/matita/matita/contribs/lambda_delta/basic_2/reducibility/ltpr_ltpss.ma
index ecc2d74436512a00a42223240488e713253a1257..34221e4c54ea103ef4d30eb373f2112c685f4b8a 100644 (file)
--- a/matita/matita/contribs/lambda_delta/basic_2/reducibility/ltpr_ltpss.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/reducibility/ltpr_ltpss.ma
@@ -18,8 +18,8 @@ include "basic_2/reducibility/tpr_tpss.ma".
 
 (* Properties concerning parallel unfold on local environments **************)
 
-lemma ltpr_ltpss_conf: ∀L1,K1,d,e. L1 [d, e] ▶* K1 → ∀L2. L1 ➡ L2 →
-                       ∃∃K2. L2 [d, e] ▶* K2 & K1 ➡ K2.
+lemma ltpr_ltpss_conf: ∀L1,K1,d,e. L1 ▶* [d, e] K1 → ∀L2. L1 ➡ L2 →
+                       ∃∃K2. L2 ▶* [d, e] K2 & K1 ➡ K2.
 #L1 #K1 #d #e #H elim H -L1 -K1 -d -e
 [ /2 width=3/
 | #L1 #I #V1 #X #H