]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/s_transition/fquq_length.ma
renaming in basic_2
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / s_transition / fquq_length.ma
index 9e902769408da6a8e84991a41581449792d82b55..9cd36968633fa128d105d0147358e4223f2b7328 100644 (file)
@@ -19,7 +19,8 @@ include "basic_2/s_transition/fquq.ma".
 
 (* Forward lemmas with length for local environments ************************)
 
-lemma fquq_fwd_length_lref1: ∀G1,G2,L1,L2,T2,i. ⦃G1, L1, #i⦄ ⊐⸮ ⦃G2, L2, T2⦄ → |L2| ≤ |L1|.
-#G1 #G2 #L1 #L2 #T2 #i #H elim H -H [2: * ]
-/3 width=5 by fqu_fwd_length_lref1, lt_to_le/
+lemma fquq_fwd_length_lref1: ∀b,G1,G2,L1,L2,T2,i. ⦃G1, L1, #i⦄ ⊐⸮[b] ⦃G2, L2, T2⦄ →
+                             |L2| ≤ |L1|.
+#b #G1 #G2 #L1 #L2 #T2 #i #H elim H -H [2: * ]
+/3 width=6 by fqu_fwd_length_lref1, lt_to_le/
 qed-.