X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fcomputation%2Flsubc_lsuba.ma;h=06666965b9a03222314c49730f7c1a7832f21810;hb=7e06d9d148ae04a21943377debd933a742d0c2fa;hp=cc9011afc90da999b02798b6095c8d557e675a06;hpb=3167db4903eea2eddc60a91cfd922be3672ce077;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_lsuba.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_lsuba.ma
index cc9011afc..06666965b 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_lsuba.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_lsuba.ma
@@ -20,7 +20,7 @@ include "basic_2/computation/acp_aaa.ma".
 (* properties concerning lenv refinement for atomic arity assignment ********)
 
 lemma lsuba_lsubc: ∀RR,RS,RP. acp RR RS RP → acr RR RS RP (λG,L,T. RP G L T) →
-                   ∀G,L1,L2. G ⊢ L1 ⁝⫃ L2 → G ⊢ L1 ⫃[RP] L2.
+                   ∀G,L1,L2. G ⊢ L1 ⫃⁝ L2 → G ⊢ L1 ⫃[RP] L2.
 #RR #RS #RP #H1RP #H2RP #G #L1 #L2 #H elim H -L1 -L2 // /2 width=1/
 #L1 #L2 #W #V #A #H elim (aaa_inv_cast … H) -H /3 width=4/
 qed.