]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/static/lfxs_length.ma
notational change for lexs
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / static / lfxs_length.ma
index 386e2ba8894c304c95fad915a7045eae17d4135a..3b8208e4a78c46dad67083b49c796bfd3647ca5f 100644 (file)
@@ -20,6 +20,6 @@ include "basic_2/static/lfxs.ma".
 (* Forward lemmas with length for local environments ************************)
 
 (* Basic_2A1: uses: llpx_sn_fwd_length *)
-lemma lfxs_fwd_length: â\88\80R,L1,L2,T. L1 â¦»*[R, T] L2 → |L1| = |L2|.
+lemma lfxs_fwd_length: â\88\80R,L1,L2,T. L1 âª¤*[R, T] L2 → |L1| = |L2|.
 #R #L1 #L2 #T * /2 width=4 by lexs_fwd_length/
 qed-.